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)
nce required is instantly adjusted by moveable handle. For low voltages ^2 15S. Od. For pressure of 200 to 250 volts £5 17s. 6d. NEW PATTERN ARC LAMP FOR LABORATORY WORK, X25 C£i.n.clle Po«rea*« A low power Lamp, invaluable as white light illuminant for MICROSCOPIC, SPECTROSCOPIC, and PHOTOGRAPHIC… … Extra resistance for soo voltt, 4 Special Stand, 30/-. SANGER-SHEPHKRD & Co.,
Photography -- Equipment and supplies · Photography, Orthochromatic · Color photography
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