BOX. OUR MIRRORS are optically correct in planeness, have a thick deposit of silver, and a brilliant polish. are of annealed colourless glass, of OUR PRISMS correct angle and perfect optical planeness, with highly-polished surfaces, and brilliant silvering. They are accur-ately fitted in aluminium… … Is The. Cooke Process Lens, BECAUSE it gives sharp results for Line Work.Is rapid for Half-Tone.Is corrected for Three-Colour Work.It covers perfectly to the margins at full aperture.Is perfectly free from Astigmatism.Is reasonable in price.Is approved by all practical operators. SPECIAL FEATURES:…
Color photography · Color printing
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