Hints to operators. Compiled by. . .; Power's Cameragraph: this supersedes all previous catalogues; Power's 6B Cameragraph. . . ; Power's automatic loop setter. . . ; The intermittent movement of Power's Cameragraph. . . ; Instructions for attaching the new type Power's film gate, lower fire shiled, gate latch and fire governor link to Power's 6A and 6B projectors. . . ; Revised price list of supply parts for Power's Cameragraph and accessory equipment. . . (2 copies); Price list and parts book for Power's projectors and accessories. . . ; Instruction book Power's projector. . . .

Descripción

Eleven vols. 12mo. 93, [17] pp.; 4to. 52; [8; 4; 8 (unpaginated).]; 12mo. [4; 4 (unpaginated).]; 4to. 23, [1]; 23, [1]; 8vo. 55, [1]; 32, [2] pp. With over 100 photographic illustrations, text diagrams, plates, illustrations. 1st vol. in limp black publisher's cloth, gilt lettering, rounded corners; 2nd vol. in embossed tan softcovers, cover art of Cameragraph in tan & blue, blue embossed raised lettering, yapp edges; Vols. 3-7 in self-printed softcovers, printed in colour-tinted ink & black; Vols. 8-9 in tan printed softcovers, punch hole through upper corner for hanging (1 w/ label for the H.A. Johnson Co. Theatre Chairs, Motion Picture Machines, Seattle, WA); Vol. 10 in gray printed softcovers, dark maroon-coloured lettering (minor soiling, shelfwear); Vol. 11 in blue-coloured printed softcovers (minor dustsoiling & thumbing to fore-edges), still a VG collection. First editions of these remarkably scarce instruction books, catalogues, and price lists for the Nicholas Power Cameragraph. Power (1854-1921) began working as an engineer at 16 years of age in 1870, and in 1881 invented an automatic magic lantern known as the Automatic Stereopticon, which was a magic lantern composed of a clock movement containing 12 different pictures. Later, after a short stint in advertising and real estate he began working as a projectionist in Brooklyn in 1897. Unfortunately he could not help taking apart the theater Edison Kinetoscope to improve it, resulting in his termination. Power was determined to develop a "flickerless" moving picture projector and began selling his Cameragraph projectors in 1902, and by 1916 the Cameragraph No. 6 was among the most respected in the industry, partially because equipment for the machines was constantly being updated and improved. At the time, silent film 35 mm. film stock was made from nitrate, chemically identical to smokeless gunpowder, so the Cameragraph was designed to create distance between the crank film projector and the lamp so that sparks flying out of the lamp would not catch the place on fire. Will Smith's handbook, and this collection of catalogues & price lists focus primarily on the Cameragraph No. 5 and Cameragraph No. 6A & 6B which introduced the four slot Maltese Cross intermittent balanced by a heavy flywheel, internal two-bladed shutter, and heavy "cooling" plate that acted as a heat sink. The No. 6 Cameragraph introduced the Maltese Cross movement where a four-pin gear ran through an "x" shaped slot increasing the speed of movement between frames and giving much less flicker. The early Power Cameragraphs were hand-cranked for silent movies, and speed was often changed or determined by the projectionist, while the Cameragraph 6A and 6B models could be fitted with motorized equipment to run the projector automatically. No copies located in Worldcat; See: Soterios Gardiakos, Power's Cameragraph Projectos a Reclassification (2013); Lendy & Butler, What is a Cameragraph?, TechTrends, Vol. 54, No. 2 (201), p. 21; Richard Abel, Encyclopedia of Early Cinema, pp. 529-530. N° de ref. del artículo 52858

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