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)
20 ABRIDGED CATALOGUE, 1907. Direct, Vision Spectroscapes. Three-prism Direct Vision 'Spectroscope for the pocket ... 1 q Ditto, best make, Adjustable Slit and Achromatic Lens ... ... - 1 10 O Ditto, ditto, Large Model, £2 15S-, wi h Comparison Prism and Photographic Millimetre Scale for… … No. 1. Sanger-Shepherd Photo-Spectroscopic Camera. Optical train consisting of a firpt-dass three prism direct vision spectroscope, fitted with adjustable slit and focussing head, complete in itself and very useful as a laboratory hand spectroscope for visual work. The Spectroscope is attached to…
Photography -- Equipment and supplies · Photography, Orthochromatic · Color photography
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