While screw vises were known in Roman times (there is an extant example of one used for jewelry making at Augusta Raurica), they don’t start showing up on woodworking benches until much later. The earliest image I know of is from northern Italy in the early 14th century and shows workers constructing Noah’s ark.
While these vises appear similar to modern vises, there are significant differences. On these early vises, the screw does not move. Instead, there is a movable nut that presses the chop against the work.
These older screw vises are easier to make than a modern vise and can be installed directly into the benchtop without much effort. To make these vises, you’ll need a threadbox and a matching tap. These once-common tools are available used, and it’s worth searching out a functioning set because with them you can make all manner of vises and clamps. I also use these tools to make threaded parts for furniture pieces to allow them to be knocked down flat.
Note that the German threading kit shown in the photos cuts a 1-1/8″-diameter (28mm) thread, which is a good size for general workshop use. The 1″ version would also work fine and allow you to use a store-bought 1″-diameter dowel to make the screws. You can make the vise’s jaw any size you desire, including the entire length of the benchtop. Because I don’t build boats or fear the Great Flood, I made the jaw of my vise (sometimes called a “chop”) 1-3/4″ x 6″ x 36″.
Begin by making the screws. Mine are hard maple, 1.10″ in diameter (which works with the 28mm threading tool) and 12″ long. Turn down 4″ of the length to 1″. This 1″-diameter section will be glued into the benchtop. Thread the remainder of the stick.
Now lay out the location of the through-holes for the screws on the chop. My holes are 30″ apart on centers and located 2″ down from the top edge of the chop. Bore 1-3/8″ holes through the chop at both locations. The oversized holes will allow your chop to pivot and clamp tapered workpieces.
Show the chop to the front edge of the benchtop and use your 1-3/8″ bit to punch centerpoints on the front edge. Drill 1″ holes that are 4-1/4″ deep into the benchtop. Glue the screws into their holes.
Make the nuts from maple. Before wasting time on shaping the nuts, bore and tap several holes in a board and use the two tapped holes that came out the straightest and cleanest. Cut the nuts to shape using [the figure above] as a guide. Then rasp the corners. Simple screw vises such as this are nice for working on the edges of chair seats, planing the edges of boards or working on anything that needs to be held securely. I have installed them on low benches and tall ones.
The following is from “Ingenious Mechanicks,” by Christopher Schwarz – this excerpt from Chapter IV, by Suzanne Ellison.
Tracing the history of workbenches takes one into the realm of Greek myth, along ancient trade routes, through the harshness of secular and religious empire-building and the glories of golden ages in arts, science and literature. There are many frustrations in the great gaps in the records, and regret over the loss of civilizations, languages and traditions. But the one thing that never disappoints, and alleviates the frustration and regret, is the wonder of human ingenuity.
The research for this topic began in 2014 when Christopher Schwarz asked me to translate an 18th-century description of the fresco from Herculaneum. I picked up the Herculaneum trail again in 2016 to search for contemporary accounts of the excavations and also 19th-century accounts of the condition of the fresco. Here and there, in other research, a low Roman workbench would turn up, but the majority of the images Chris uses in this book, and the workbenches discussed in this chapter, were found in June through September of 2017.
I primarily used publicly available image and text databases maintained by museums, universities, photographic archives, auction houses, academic journals and papers, and used search terms in seven languages. Occasionally, I contacted an archivist or academic researcher, and (with few exceptions) they were more than willing to offer assistance. A conservative estimate of the number of images viewed last summer is 8,000 to 10,000, with images from the Spanish Colonial era contributing about a third of the total.
Verifying the geographic origins of the artwork was the starting point to connecting commonalities in history and development of workbenches with distinctive features.
In the last couple years more public and private museums and universities have collaborated to put collections and other resources online. As we get more access there will be many more discoveries to be made, and I expect the gaps in our timeline will be filled. You may find, as Chris did, a missing piece in the puzzle is in a museum near you.
The Earliest Discoveries: 1st-15th Centuries As Chris and I unearthed examples of the low Roman-style workbenches, there was an emphasis on dating the benches and thinking in terms of a timeline, especially a timeline of innovations. Thanks to my father’s brilliant idea of handing me a map to track our family trips, and to keep me quiet on those trips, I started thinking in terms of maps. I had a workbench-discovery map developing in my head. Date, and place, would become important in solving some of the questions about the technology and the quirky features we found.
Low and higher workbenches and shaving horses are seen in flat outline in Roman funerary iconography, but for our purposes we start with four benches depicted in more dimension and detail. The first four low benches date up to the Roman Empire in the second century. Three are from the heart of the Empire: an engraving of a fresco from Herculaneum; a fresco depicting the myth of Daedalus and Queen Pasiphae from Pompeii; and a piece of decorated Roman glass found in catacombs. The fourth find, and the only extant benches, are the two from Saalburg, the frontier fort on the Limes Germanicus in the Roman province of Raetia. The Saalburg benches had the added interest of puzzling notches, a mystery that was solved, we think, by a Spanish painting executed more than 1,500 years later.
After a gap of six centuries in our record I found an 8th-century fresco of a carpenter working while sitting astride a low bench. The fresco was in an Umayyad bath house in the desert at Qusayr Amra (present-day Jordan), in a region once part of the Roman Empire. The bath house follows a Roman plan and the fresco is one of several “portraits” of the craftsmen who built the structure. After another six-century gap, five benches show up in 14th-century Spain and Italy. The Spanish bench is from Teruel Cathedral in the Aragon province of Zaragoza. Two decades before Qusayr Amra was built, the Umayyad led the Muslim invasion of Spain. In Teruel, Mudejar craftsmen (Muslims who remained in Spain after the Reconquista) built the cathedral and are depicted in portraits similar to those in Qusayr Amra. The Mudejar woodworkers were using low Roman workbenches. Of the Italian benches, one is from a Sephardic manuscript and three are scenes from the construction of Noah’s ark.
In the 15th century, low benches are depicted in Flemish and French paintings of the Holy Family, and in two books from southwest Germany and central Italy. Karl Schreyner, a woodworker in Nürnberg from about 1425, is one of the woodworkers in “The Mendel and Landauer Hausbücher.” In 1485, a woodworker and his bench are on the cover of a novella published in Florence. Both are notable because they are not religious images.
Each time there is a large gap in the image record, huge societal shifts were at work. In the 2nd and 3rd centuries, the Roman Empire was weakened by plague outbreaks that caused troop shortages and disrupted food production. During the 3rd century, there was a 50-year-long crisis that saw the Empire split into three warring parts. The devastation of wars and plague led to population shifts and, despite a reunification late in the century, there were cities in the western part of Europe that never recovered. In the 3rd and 4th centuries, the Empire struggled to keep control over its vast territories. And by the conclusion of the 5th century, the Roman Empire in Western Europe and the age of Classical Antiquity was at an end.
With the advent of the Early Middle Ages, Western Europe splintered into small kingdoms and city states. In the East, the surviving portion of the Roman Empire attempted to retake Italy and other areas lost to invading tribes. It was, to say the least, a time of great social and economic upheaval, and not every invading or land-grabbing group put record-keeping at the forefront. Artwork from the time does include scenes of woodworking, usually of a Biblical theme, rendered in manuscripts, frescoes, tapestries and mosaics. Representations of the construction of Noah’s ark have yielded a few low workbenches. To Chris’s delight, a series of benches in an early 14th-century Northern Italian manuscript have full face vises.
Two things to consider concerning the lack of image records from the last centuries of the Roman Empire and through the Middle Ages are: Who commissioned the art and who controlled what could be made? In other words: Who had the money and who had the power? The answer: wealthy landowners and the Catholic Church. For the wealthy, a nice selection of art might include portraits to exhibit the richness of your garments and jewels, illuminations for your Book of Hours and tapestries illustrating scenes from the Bible (and to keep out the cold). The Church commissioned frescoes to teach illiterate parishioners lessons from the Bible and the life of Christ. The civic authorities of a city state might commission artwork illustrating themes of good government and portraits of city luminaries. Artwork featuring woodworkers and other craftsmen, all of the low end of the social and economic scales, was not desirable.
How the artwork was made also figures into what survived. Manuscripts and paintings were easy to move to safety, or be looted then saved. Frescoes can be incredibly durable, but given the great age of any work created in this time period they are, nevertheless, fragile. Add in questionable conservation methods and the countless wars and conflicts extending well into the 20th century, and it is remarkable we have anything left to ponder and appreciate.
Many operations on low workbenches seem difficult or a lower-back nightmare until you overcome two obstacles. The first is that many operations are much easier when you are sitting down. Not just sitting on the bench but sitting on a sawbench or stool that is next to the low workbench. Dovetailing while sitting isn’t difficult as long as you allow your sawing arm to swing freely – just like when you are standing while dovetailing.
Likewise, traversing a board with the side stops (detailed below) is fairly easy. The worker remains stationary in front of the side stops and the board is moved from right to left. So, before you dismiss an operation as impossible with a low workbench, sit on it for a while before you pass final judgment.
The other obstacle to consider is your smooth, modern floor. Many low benches will move quite a bit because they lack the mass of many taller workbenches. Many early shops had dirt floors, or the work was performed outside (the book “Woodworking in Estonia” made this clear to me).
So, take your bench into the yard or find a way to immobilize the legs, especially for traversing. A quick solution is to purchase some adhesive anti-skid pads at the hardware store. Those help for all but the heaviest work.
Here’s the problem: I gave my low, eight-legged workbench (based on a fresco at Herculaneum) to Brendan Gaffney. That bench is (I think) somewhere in New York state. Then I loaned the low bench I built that’s based on the world’s earliest extant workbench at Saalburg, Germany, to Dan Raber at the Artisans Guild in Millersburg, Ohio.
Then, while dishing out our family supper on my Loffelholz workbench in our dining room (which is too high for the Colonial Williamsburg demonstrations) I barked my shins against something. A Swedish sitting bench I’d built in 2010 for Popular Woodworking Magazine. The bench is from the Älvros Farmstead, a group of buildings from the 16th and 17th centuries that were moved to Skansen, Sweden, which is a living history museum.
The Skansen bench’s top is 11” wide, more than 2-1/2” thick and 72” long. The bench’s seat is about 19” off the floor.
Hmm. I guess I do have a Roman workbench here.
Today I started to add workholding to the bench. First up: A twin-screw vise based on 14th-century French benches. I made a couple screws from maple and threaded them with my 28mm threadbox from Dieter Schmid. The tool works brilliantly, is expensive and never gets loaned out. The threads are about 7” long, and have a 1”-diameter x 5”-long tenon on the other end.
I drilled a couple quick holes on 22” centers in the side of the Skansen bench to receive the tenons. This spacing allows me to hold and shape a chair seat. The vise chop is made from 2” x 4” x 30” red oak. The chamfers reduce the weight of the chop without reducing its grip (thanks vector forces). The vise nuts are maple.
To make the vise grip better, I looked around for coarse leather to glue to the bench and the chop. I am presently bovine-free. So I took a tip from the late Jennie Alexander and lined the vise with Safety Walk anti-slip tape. You can buy it at any good hardware store. It’s designed to stick on ladders and such to improve your footing. I use it on handscrews and the like. It’s not period-correct (the French used sturgeon swimbladders to line their vise jaws, JK), but I just forgave myself for the lapse.
All the parts are finished with linseed oil and beeswax.
Tomorrow I’ll add an adjustable planing stop, a “palm” and a chairmaker’s shaving stop.
Finally, I’ll chain this Roman workbench to a heavy object in the library so it doesn’t escape.
— Christopher Schwarz
If you are wondering what the hell I’m talking about in this post with low workbenches and “palms” and swimbladders, you haven’t read my book “Ingenious Mechanicks.” It’s all about early ways to work wood without a complex bench.
“Ingenious Mechanicks” is my least successful book – commercially – but it probably the one I’m most proud of. The research the Suzanne Ellison and I performed for the book involved sorting through thousands of fine art paintings. I had to travel to Germany and Italy to see examples of low workbenches first-hand. And the reconstructive archaeology was challenging. Writing the book forced me to appreciate what can be done with few tools and no vises – just stops, gravity and wedges. This approach infiltrated my everyday work at the bench, and I am faster and better for it.
— Christopher Schwarz
It’s not fair to our early ancestors to put words in their mouths. We don’t know how dry their wood was when they started to build their workbenches. Was it fresh from the tree? Dried for 20 years? Something in between?
We can guess, which is what most people do. Or we can build a bunch of workbenches from woods in varying degrees of wetness and observe the results through several years. This second path is much more difficult than sitting naked in the dark at your computer keyboard – fingers covered in the dust of Cheetos – and pontificating online. But it’s the path I took.
Here’s what I’ve found: Dry wood is the best. But because you are unlikely to find big slabs of wood that are totally dry, then dry-ish wood is great, too. What I mean by dry-ish is somewhere about 20 percent moisture content (MC) or less. When you use dry-ish wood there are rarely any unhappy endings that involve splitting or warping. The wood will settle down quickly – within a year or so – and the benchtop won’t require more than a couple flattenings.
My next choice is wood that I call “moist.” This is stock that is somewhere between 20 percent and 50 percent MC. This sort of stock is what I usually look for when building massive oak workbenches for customers. It’s stuff that is about 6″ thick and has been drying for a decade.
This wood has some drying to do after you turn it into a workbench. Expect some shrinkage and checking on the end grain. It will calm down after a few years and four or five flattenings of the benchtop. My only other caution with moist stock is to not rely on glue for the joinery. Because of the wetness of the wood, water-based glues (yellow, white and hide) won’t be effective. I recommend you rely on drawboring and wedging.
Finally, there is fresh wood, stuff that was a living tree less than a year prior. This stock is fairly easy to find and fairly cheap, but it can be tricky. Water-based glues aren’t a good idea. And you can experience significant warping and checking as the wood dries. My first precaution is to use a species that is easy to dry, such as red oak. Look for a slab where the grain runs fairly straight through the face and the edges. Orient the slab so the heart side is your benchtop (with the bark side facing the floor). And paint the end grain of your completed benchtop with a latex paint to slow the drying, especially if your bench will be in a climate-controlled shop.
All these precautions will reduce the risk that your benchtop will warp horribly. But there is no guarantee.