Practical guide to photographic & photo-mechanical printing (1887)
Burton, W. K. (William Kinnimond) · London, Marion and co. · leaf 425
y the aid of elastic bands to quicken. Each Shutter is provided with a set of leather collars, so as to fit smaller lenses. No. i. Suitable for lens of § in. diameter . . 5/ No. 2. ,, ,, 2§ in. ,, . . 10/6 No. 3. ,, ,, 2I in. ,, . . 12/ Special sizes can be made to order. THE MAHOGANY DROP SHUTTER.… … For all classes of work (other than instantaneous) this is one of the best shutters obtainable ; it is easily adjusted, very simple in construction, and the exposure is perfectly under control, the shutter only remaining open while pressure is put upon the ball. It works quite noise- lessly, and…
Photography · Photomechanical processes
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