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 12
•^ H b t-1 H Ej m < P^ (^ Q hJ UJ O w M S H UJ W :<i; H H fe O Ph ?5 <5l QZ J fL, m H Q PJ ^p <;^ O u. « o O rn THE BEN DAY RAPID SHADING MEDIUMS Description of Parts of Apparatus. The drawings that accompany the text show the details of themechanical adjustment of the machine and… … Fig. 2. SIDE VIEW (eight) OF THE HOLD-FA.ST, .SHOWING THE ELEVATING ANDEXTENSION MECHANISM FOR ADJUSTING IT TO THE HEIGHT OF ALITHOGRAPHIC STONE. The imaginary lines, C C, illustrate tlie elevating movement of the sectorwings C C, controlled by the sector slots C* C, and the clamping screws C C.The…
Drawing instruments
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