Ben Day shading mediums, for art work on stone, metal & card board; (1920)
Day, Ben, Inc, Day, Benjamin, 1838-1916 · New York, Ben Day, inc · leaf 16
THE MEDIUM MOUNTED ON THE INKING PAD The Medium should be placed evenly on the aluminum pad, with the Frame Clamp extendingbeyond the table edge, so that the clamp may not be displaced while inking. … THE BEN DAY TUBULAR ROLLER Has hollow core and aluminum frame. The roller, not bound to core, is free to shrink or expandaccording to climatic changes, thus ensuring a constantly even plane. ROLLER PARTS: — G. Aluminum frame. G^, Guard, holding handle from ink slab. G^, Handle. G^. Hollow mandrel.…
Drawing instruments
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-685-475.webp)
