Dating roycroft marks
The burned-in brands, metal tags, decals and paper labels used to mark Stickley's furniture is a certificate of our solemn promise that the furniture has been crafted to the best of our ability. Craftsman Workshops Mark 1904-1906 This shop mark, with its looping "G" is found on many of the highly sought Harvey Ellis-designed pieces. Stickley launch their ambitious "Handcraft" line of mission furniture. Stickley Mark 1912-1920 As they begin to expand beyond mission furniture, L. Craftsman Workshops Paper Label 1912-1916 A late Craftsman Workshops Paper Label Stickley Associated Cabinetmakers 1916-1919 Gustav Stickley joins L.
Collectors use the shop mark as a hint to pinpoint the date of production and the Stickley brother responsible for making the furniture. Craftsman Workshops Mark 1905-1912 This decal bears a signature that most closely resembles Gustav Stickley's actual signature. To signify this new phase, they replace the oval Onondaga Shops label with the hand screw, a classic furniture maker's tool.
Has the copper been hammered into shape by hand or rolled in sheets by machine? Putting all these together you can come up with an approximate age. As industrialisation was a gradual process, it can be difficult to ascertain the exact age purely based on coppersmithing techniques.
Workshops located in the countryside may have been slower to adopt modern techniques, sometimes lagging several decades behind the centers of coppermaking.
The difference is quite striking when comparing a modern copper pan with a 19th century hand-made one, which can often be a factor 3 or 4 heavier due to the thickness of the copper.
Stamps Some of the main manufacurers of French kitchenware marked their products with a company stamp.
Rivets could be made from a variety of materials, but the most common ones are made of copper.
These would be carefully hammered into a round shape to fit the hole.
There are many different ways of doing this, but one of the most common ones for hand-made copper pans is called dovetailing.
The coppersmith would hammer the edges of the different pieces to about half their original thickness and then cut slits in the metal, thereby producing small strips of copper that could be interwoven and hammered back together.