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 20
x F^, and the thumb at the back 10 THE BEN DAY RAPID SHADING MEDIUMS of the socketed wing V, in wliich tlie left hand pintle enters. Relieving theSqueeze with the thumb, against the counter action of the fore Film withfinger; the left hand pintle recedes, and with it the frame and the Thumb… … ADJUSTING THE SHADING MEDIUM IN THE REGISTERING CARRIAGES^ OEREMOVING THE SAME THEREFROM. For detailed drawings see Fig. 1 and Fig. 76. To get your film ready for a neat, sharp print, first lubricate the Back ofback with the smallest amount of vaseline rubbed on (and off Mediumagain as much as…
Drawing instruments
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