1907 price list, cancelling previous lists, of light filters, cameras, and all materials for orthochromatic and colour photography : scientific instruments for light measurement, photo spectroscopes, photo micrographic appliances, etc. (1907)
mpressing a series of exposures upon a plate, consisting of mahogany case fitted with sliding shutter in front and special form of single dark slide on door at back; accurately cut sector in accordance with Messrs. Kurter & Driffield's specification, 12-in. diameter, impressing nine exposures on… … All measurements in accordance with Messrs. Hurter & Driffield's specification. The body of the Photometer is, however, made in stout japanned tin plate— the parts exposed to the heat of the lamps being thoroughly protected by asbestos boards and air spaces— the photometer bar is an improved form,…
Photography -- Equipment and supplies · Photography, Orthochromatic · Color photography
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