Practical guide to photographic & photo-mechanical printing (1892)
Burton, W. K. (William Kinnimond), author · London W. : Marion and Co., 22 and 23, Soho Square · leaf 472
Advertisements 30 CADETT'S LIGHTNING EBONITE SHUTTER. With Cadetfs Patent Pneumatic Arrangement. … This invention of Mr. Cadett is a most ingenious arrangement, providing all exposures from indefinite duration to a very rapid one. The Shutter obtained the Silver Medal (highest award) at the International Inventions Exhibition. We recommend this as the " Multum in Parvo " of shutters, and also as…