How to work it; a manual for the use of the Ben Day rapid shading mediums and its registry attachments (1913)
Day, Ben, Inc, Day, Benjamin, 1838-1916 · New York, Reprint by Ben Day, inc. · leaf 13
nualillustration of this will be found in Figure 3. Figure 2 shows how the adjustment of the Holdfast differs ac-cording to the height of the surface that has to be worked on. Fordrawings on card-board or metal see Figure 4. Although in thisillustration the machine is placed upon a lithographic… … Pig. 3.PLACING THE HOLDFAST UPON A LITHOGRAPHIC DRAWING. fon\ard bar E, carrying the sliding carriages F and G, is abouteven with the base of the machine. If the surface of the card-board or metal is large enough, the Holdfast can be moved aboutat will over the drawing without any further…
Drawing instruments
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