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 14
sting slant when it is turned backward from the drawing. The Mediumshould be turned back gently (not thrown back) to preserve the registry of theShading Medium. THE BEN DAY DRAWING BOARD APPARATUS This is for process-work on cardboard, or direct work on zinc or copperplates. (See illustration.) H… … THE BEN DAY DRAWING BOARD APPARATUSFOR WORK ON COPPER, ZINC OR CARDBOARDH Drawing board. H, Side battens of board. H% Under battens. H, H\ Channeled side bars. H^ H\Clamps sliding on H^, H^, holding cross-rod H=. H-iA, H*A, Vertical sliding posts of H*. H*B. H-*,Bearings of H** carrying H=. H^S…
Drawing instruments
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