Keith Fitzpatrick-Matthews

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Sometimes, maps and placenames hint at past activities that are not immediately visible. Often the places are on private land but, as we’ve seen in previous Archaeology Tuesdays, aerial (or satellite) photography can reveal details. But how do we cope with woodland, such as at Tingley Wood in Pirton, just north of the B655 Hexton Road to the west of Hitchin? The name Tingley, while obscure, is first recorded in the thirteenth century as Tinele, the first element of which may derive from Old English tȳned, ‘enclosed’.

What might have been enclosed? Was it the wood (although the second element leah implies a clearing within woodland) of something already there when the wood got its name? Here, we can use a technique known as Lidar to help us see through the tree canopy to what lies on the ground surface below. Lidar has been around for more than 60 years, yet its applications in archaeology only go back twenty-five years or so. Its great advantage is that it enables us to see subtle earthworks and, remarkably, those under woodland. When first developed for satellite tracking in 1961, during the space race, it was known as Colidar (Coherent Light Detecting And Radar).

Like any such new technology, the military soon spotted that it might be useful, and the US army began using it for long-distance targeting from 1963. Around the same time, the name Lidar was first used. In 1971, astronauts in the Apollo 15 mission used it to map the moon’s surface, at it provides a very accurate altimeter (height measuring system). Altimetry is the aspect of Lidar that archaeologists find so useful.

Lidar works by sending a narrow laser beam (which can be in ultraviolet, visible or near infrared light) in pulses towards a target, measuring the time it takes to reflect. It gives a very precise measurement of the distance between the laser source and the thing being measured. Micropulse Lidar uses low energy lasers that cannot cause damage to eyesight, while high energy systems used in atmospheric studies point away from the ground into the sky. Surveys can be done from an aircraft or can be ground based; in the latter type, the scanners can be stationary or attached to moving vehicles.

From an aircraft, Lidar can give a spatial resolution – the distance between individual measurement points – of less than 30 cm. Global Position Systems record the precise location of each pulse, including the altitude of the aircraft (which is not available to sufficient resolution in everyday GPS devices). The data is returned in the form of a ‘point cloud’, a set of measurements located in three dimensions: latitude, longitude and elevation.

As raw data, point clouds are not easily ‘read’, so they have to be processed. They are excellent for producing contour maps more accurately than any human surveyor could achieve, but their most familiar applications are to make Digital Surface Models (which include buildings and trees) and Digital Terrain Models (which ‘remove’ buildings and trees).

There are numerous uses for the data produced by Lidar surveys, from agriculture (such as monitoring crop growth) through conservation (such as measuring the biomass of an area), to geology (such as identifying uplift after earthquakes) and atmospheric studies (including measuring wind speed and cloud structure). More controversially, hand-held ‘speed guns’ used by traffic control are based on Lidar, while self-driving vehicles rely on it to avoid obstacles.

Archaeological uses have become one of the most widely-publicised applications of the technique. There have been numerous press stories about the rediscovery of ‘lost’ cities and even entire civilisations beneath the jungle canopies of central America and the Amazon basin. In England and Wales, the Environment Agency has been the main force behind Lidar surveys, although other organisations (such as the Chilterns Conservation Board) also commission them.

During 2022, the Environment Agency made all its data, covering most of England and parts of Wales, available free of charge. All of North Hertfordshire can now be viewed through portals such as or the National Library of Scotland’s very useful georeferenced historic maps website (which also covers Scotland and includes a Lidar Digital Terrain Model at 50 cm resolution as one of the background layers).

Tingley Wood, in the southwestern corner of Pirton parish, just to the west of High Down, appears on maps as a simple block of woodland. Large scale maps show a track running through it from east to west, aligned roughly on High Down. Three other tracks cross it, two more-or-less straight, the third curving. Another track leads through a lobe in the southwest of the wood, while a sixth runs from the axial east-west track to the south, where it joins a track that follows the southern boundary.

The maps do not begin to hint at what the Lidar shows. The main east-west track is clear enough, including an extension at the western end, where the mapped track diverts to the south. The track south of the wood also shows, as do others outside the woodland. More significant are a series of banks and ditches around, inside and outside the wood. On the western edge of the photograph is a bank without associated ditch: this marks the line of the county boundary. The origins of Hertfordshire probably lie in the wars between King Eadweard the Elder (AD 899-924), who established fortified towns at Hertford in 912 and Bedford in 914 (and probably also Hitchin and Ashwell, about 913). The shires provided men to staff these burhs, as they were known. The boundary between Hertfordshire and Bedfordshire cut through the earlier folk territory of the Hicce, who gave their name to Hitchin. Because these new shires were artificial creations whose boundaries did not follow those that were long established, banks often mark their course, as here. The bank between Pirton and Pegsdon probably dated from the 910s.

The next thing to notice in the Lidar is a boundary bank for Tingley Wood itself. It encompasses the whole wood apart from a stretch in the south, where it is obliterated by very straight ridge-and-furrow probably created by steam ploughing in the nineteenth century, and at the north-eastern corner, where it also seems to have been ploughed away in recent centuries. A ditch follows outside the bank around the northern side of the wood, but to the southwest, the ditch is inside the bank. To the southeast, the ditch has a bank both inside and outside the wood.

The differences in the relationship between the bank and ditch hint at a complex history. Although it was usual to enclose medieval woodland, the nature of the enclosure depended on its purpose. In woodland used as part of a deer park, the ditch is always inside the bank as it makes it more difficult for the animals to jump across the boundary. For woods that were coppiced to provide timber, the ditch would be outside, as it was intended to keep animals out. We seem to have both systems here, in different parts of Tingley Wood.

Next, we seem to have subdivisions inside the woodland, marked by three banks, two with ditches, running north to south. Those with ditches both have the ditches to the west. The westernmost, which does not have a ditch, lines us with the inner bank of the southwestern lobe of the wood. Does it perhaps mark the original western edge of Tingley Wood? At the eastern end, there is a ditch with only slight traces of an internal bank running from about the middle of the southern edge up to the northeastern corner. Is this perhaps the original eastern edge of the wood? The current eastern part of Tingley Wood disrupts a pattern of ridge-and-furrow cultivation, suggesting that it has expanded over formerly arable land.

These details perhaps show the growth of the wood. If this suggestion is correct, then it was originally about 70% of its current size (11.4 ha as opposed to its current 16.0 ha). The two other north to south internal banks and ditches then divide the original woodland into three zones of unequal area. These separate parts of the wood hint at its original purpose: one of the areas would be coppices, while the other two continued to grow and provide pannage (foraging) for pigs. Perhaps the wood expanded as the demand for timber increased in the later Middle Ages, both for building work and as fuel.

There are also hollows visible both inside and outside the woodland. Most of these are irregular and surrounded by spoil. The area still had several chalk and gravel pits marked on the early Ordnance Survey maps, and this suggests an origin for those in Tingley Wood. At least one of them has partly destroyed the boundary bank and ditch, showing that this activity took place once the wood was no longer being used as a source of timber. However, one hollow to the southwest of the centre is very rectangular and may have been a saw pit, used for cutting timber when the woodland was still in use.

The story does not even end there. As well as the banks and ditches associated with boundaries and the quarry pits, there are other embanked and ditched areas that bear no relation to the woodland. All three lie south of the centre of the wood and all are disrupted by the woodland banks. The southwestern of the tree is very rectangular and lies between the proposed saw pit and the denuded original southern bank of the wood. Could this have been a penned off area used for storing wood processed in the storage pit while it seasoned?

The two other groups of ditches, only one of which is associated with banks, are more enigmatic. One overlies the other (that with banks seems to overlie the purely ditched part enclosure) and both seem to be earlier than any of the woodland management banks and ditches. What they are is unclear. The very straight edges of the ditched trapezoidal part enclosure look to be Romano-British rather than prehistoric or early medieval. Its western ditch appears to continue into the southern extension of the wood as a bank, perhaps showing that its bank within the early phase of Tingley Wood was deliberately levelled.

The bank and ditch of the northern and western edges of a perhaps polygonal (certainly not curved) enclosure overlie the southern end of the possibly Romano-British ditched enclosure. The relationship with the subdivision of the woodland seems to make this enclosure earlier, as it is cut by it and its southern and eastern edges are not visible beyond it, suggesting that they have been obliterated by the woodland. The most reasonable explanation sould be that it is intermediate in date between the underlying putatively Romano-British enclosure and earlier than the woodland. Less easy to characterise, some have identified similar enclosures as early medieval sheepcotes, areas where sheep could be penned. This high ground in the southwest of Pirton could well have been an area used for keeping sheep before being brought into arable cultivation. Other origins are, of course, possible. Might the first element of the name Tingley be not Old English týned, ‘enclosed’, but another derivative of týnan, ‘to fence or close’, perhaps an unattested but plausible *týne, ‘an enclosure’, referring to the possible sheepcote?

The Lidar results for just a small patch of land, only sixteen hectares in extent, give us a complex picture with much to digest and attempt to interpret. As a relatively new technique in archaeology, its potential is only just beginning to be tapped.

People have been fascinated by placenames for centuries. Although they tend to start out as meaningful (Newtown, anyone?), they often change more slowly than languages and preserve old-fashioned forms whose meaning is lost. Who could guess that York comes from a Celtic original, Eburacon? And that it refers to a yew tree (eburos)? Or, for that matter, that the present name of #Baldock comes from the medieval French name for Baghdad, Baudac?

The scientific study of placenames began only about 1900. Before this, people often made wild guesses that involved just about any language (Hebrew and Phoenician were popular) rather than those known to have been used in a particular area. There are five that we know to have been spoken in Britain from prehistory to the present day: a dialect of Celtic known as Brittonic (the ancestor of modern Welsh and Cornish), Latin, Old English (the basis for the English spoken today), Old East Norse (the language of the Vikings, and ancestor of modern Danish and Swedish) and Old French. All these languages have left traces in our English placenames.

When it comes to researching placenames from Roman times, we depend on a limited number of documents and a few inscriptions. The documents include the Γεωγραφικὴ Ύφήγησις (‘World-drawing Guide’, generally referred to as the Geography) by Klaudios Ptolemaios (usually Latinised as Claudius Ptolemaeus and Anglicised as Ptolemy), the Itinerarium prouinciarum Antonini Augusti, better known in English as the Antonine Itinerary, a map known as the Peutinger Table, an anonymous Cosmographia produced in Ravenna around 700 (hence known as the Ravenna Cosmography), and an untitled late Roman administrative text known as the Notitia Dignitatum (‘List of Offical Posts’).

Ptolemy lists a people whom he calls Κατυευχλανοὶ (Catyeuchlani, a misspelling of Catuu̯ellauni), the people of Hertfordshire, Bedfordshire and Huntingdonshire), and names two of their towns. They are Σαλῖναι (Salinae, literally ‘salt-works’, so probably somewhere near the Wash) and Οὐρολάνιον (U̯rolani̯um, a misspelling of U̯erolami̯um), St Albans. Several of the routes in the Antonine Itinerary also name U̯erolami̯um and a place twelve Roman miles to the north, Durocobriu̯is, which can be identified with Dunstable. The Ravenna Cosmography gives the spelling Virolanium for St Albans.

Literary works from the Classical world rarely mention placenames (other than the name of Britain). The historian Tacitus mentions how Boudica sacked U̯erulami̯um and Gildas, a British writer who lived about AD 500, describes St Alban as uerolamiensem, ‘from St Albans’. There is a famous but broken inscription from the Roman forum at St Albans, published in The Roman Inscriptions of Britain volume 3 as 3123. Two alternative readings of the two-letter fragment VE could be CATV]VE[LLAVNORVM (‘of the Catuu̯ellauni’) or …]VE[ROLAMIVM (‘St Albans’). A wooden writing-tablet from London refers to uerolamio, while a drinking vessel from a burial at Dunstable was donated by DINDROFORVM VE(rolamiensium) (‘the St Albans carpenters’). In terms of Hertfordshire, that is the total as currently recognised.

However, there is another piece of evidence that has hitherto been overlooked. It was published in The Roman Inscriptions of Britain volume 2 as numbers 2411.261 to 2411.263. It consists of three identical lead sealings, stamped on two faces using the same die, reading C·VIC on one face and SPVS on the other. The dot, better called a medial point or interpunct, was a typical word separator used until the second century. All three were found at Clothall Common in Baldock, two of them in the same pit. They have a hole running through the length and another from one face to the other, perhaps for string or twine used to tie documents into a bundle or to keep wood-and-wax writing tablets closed.

The reverse of one of the lead seals, reading SPVS

The publication suggests that meaning of the seals is obscure, although the C might stand for Latin cohors, a military unit. Given the lack of Roman military activity in Baldock (as in Hertfordshire and Bedfordshire generally), this is a very unlikely explanation. The American Society of Greek and Latin Epigraphy lists over 250 words that C can represent! VIC has ‘only’ twenty-nine possible expansions, while SPVS seems to be meaningless. This is not going to be an easy riddle to solve.

What are we then to make of these seals? The first thing to note is that a lead seal, made using the same die in all three instances, was probably an official issue of some sort. We have already ruled out the military explanation, so in what circumstances would a government department or similar entity put out a document needing to be sealed? How we might explain them depends on how we choose to expand the abbreviation C·VIC.

Some years ago, I suggested in print (always a hostage to fortune!) that it might stand for C[uria] Vic[…], ‘the assembly of Vic…’, with Vic… as the lost name of Roman Baldock. Alternatively, we might expand C… Vic[anorum], ‘of the townspeople of C…’, where C… is the town’s name. Both these solutions leave SPVS unexplained. For this reason, I have given up on that explanation.

Might it be that SPVS contains the ancient name of Baldock? Although this seems plausible at first sight, we need to think of what language that name would have first been coined in. The answer has to be Brittonic, as the settlement was founded in the decades around 100 BC, when the locals spoke that branch of the Celtic language group. In that case we have a problem. Although the Proto-Indo-European language had words beginning sp-, it developed into f– in Brittonic. No words beginning in sp– exist in any of the ancient Celtic dialects, so SPVS cannot be an abbreviation for the Brittonic name of Baldock.

The clue came quite serendipitously, in realising that the modern name Hitchin is not Germanic, and thus not from old English. Place-name experts have been puzzling over its meaning for centuries. The Swedish scholar Eilert Ekwall suggested almost a century ago that the name of the River Hiz is the clue. He compared it with the Modern Welsh sych, which means ‘dry’, and suggested that the town was named from the river, pointing out that some Celtic words beginning with s– now begin with h-. Unfortunately for his argument, sych (from Brittonic *siccos) is not one of them. If the river really had derived from this word, the town would now be called Sitchin. We also know that the name, first recorded in the seventh century as the name of a people, not a town or a river.

In Brittonic, there was a special grade of s that did develop over time into h. Thus the ancient name of the River Severn, Sabrina, became Hafren in Welsh. So to explain Hitchin, we need to find a word that originally had initial s– that became h-, and which also had –cc– in the middle. There is indeed such a word, *succos in Brittonic, hwch in Welsh. It means ‘pig’. While this doesn’t sound like a name that people would want, we need to look at how other Iron Age peoples in the British Isles gave themselves names.
Thus we find that the people of the Lleyn Peninsula in Gwynedd, the Cancani, were the ‘pony people’ and the Caireni of Sutherland were the ‘sheep people’. These people perhaps prided themselves on their breeds of these animals, so why not the people of the Hitchin area? The archaeology of Baldock bears this out. In most places in southern Britain, the emphasis on animal husbandry was on cattle, but in northern Hertfordshire, it was on pigs. Far from being an insult, being known as the Succi̯i, ‘the pig people’ or ‘the pig-breeders’, was an expression of local pride.

In this roundabout way, it becomes possible to understand what SPVS means. We can divide it S(ucci̯orum) Pus(…), ‘Pus… of the Succi̯i’. There are records of several Celtic names beginning Pus…, and many Brittonic placenames incorporate personal names. Names such as Pusa, Pusilla, Pusinna, Pusintulus and Pusio (not all necessarily Celtic, as some could be Latin in origin) could underly the ancient name of Baldock. We could be looking at something like *Pusinni̯on, *Pusi̯onacon or something like that. While we haven’t got the full name, it’s almost within reach.

What the seals tell us is that the Curia Vicanorum Succi̯orum Pus…ensis, ‘the council of the townspeople of Pus… of the Succi̯i’, issued the documents that these seals attached to. They show that the vicus – the lowest grade of self-governing settlement – had its own curia – a citizen assembly – representing the local people – the Succi̯i – based in their principal market town. They fell within the larger unit of the Catuu̯ellauni, based at U̯erolami̯um, but maintained their self-identity past the collapse of Roman rule in the fifth century and into the early medieval period as the Hicce. In a way, that identity remains with the fiercely proud ‘Hitchinites’ of today.

A guest post by Nikola Pelentrides and Sapphire Lynch, work experience students from Marriotts School, Stevenage

Hi, we’re Nikola & Sapphire, and as part of our time doing work experience at The North Herts Museum, we have been asked to share what we believe to be one of our favourite exhibits that spiked our interest during our time here. We hope you will enjoy it as much as we do!

Within the museum, there is a display of the original Perks & Llewellyn’s Apothecary (1783-1961) including the shelving, products in their original containers, an alligator jaw hanging from the ceiling, and even the real door and counter.

Nikola and Sapphire in the Perks & Llewellyn Pharmacy

Originally owned by the Meers family, it was then later taken over by Mr John Perks and his assistant Charles Llewellyn. This apothecary was a staple of the Hitchin community in its prime, standing on 8 High Street. The apothecary helped many who couldn’t afford the price of doctors/surgeons by assisting in minor medical practices like bleeding by leeches, draining blisters and/or tooth extractions, like that of barber surgeons of the Medieval Era.

The collection features products from the time, such as our favourites:

  • Arsenic
    Arsenic was a common poison used in killing rats and was also, more sinisterly, for humans too. The Arsenic Act of 1851 restricted its sale due to its use in murder attempts.
  • Carbolic soaps and toothpowder
    These products were made with carbolic acid which can be considered toxic in large quantities and cause severe burns, respiratory issues and vomiting blood.
  • And most notably lavender water
    This chemist’s lavender products, formulated by Edward Perks (the son of John Perks). With fields all over Hitchin, the range of lavender products produced by Perks began to expand. By 1851, the lavender produced in the city was so popular that Queen Victoria went to Hitchin Station to pick up a bottle of essential oil. She was at the station for only a few minutes. Perks used lavender to produce shaving soap, toilet soap, toothpowder, bath powder, bath crystals as well as lavender water. In 1871 Samuel Perks – brother of William Perks – bought the business for £3,500. In 1876, Samuel owned 35-acre lavender fields across the country, which could produce 2,000 gallons of lavender water.
  • After the deaths of Perks and Llewellyn in 1890 and 1893, respectively, the business was taken over by Anne Sarah Llewellyn. This saw a succession of different owners of the business, none of whom were able to reach the heights of the 1870s.
    In the 1960s, a combination of competition from French lavender, higher taxes forcing higher lavender prices, and the location of lavender fields sought for housing development, saw the death of lavender after 180 years.

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