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viri OPTIC PROJECTION
§ 504; Stray light, § 505-506; Magnification of drawings, § 507-508; 509-510; Drawings for models, § 511; Erect images in the drawings, § 512-516; 517-526; Drawings for publication with projection apparatus, § 527-530; Drawings and their lettering, § 531; Photography with projection apparatus, § 532-547; Troubles met in Ch. X, § 548; Sum mary of Ch. X, § 549.
CHAPTER XI Moving Pictures
Fig. 221-236; § 550-599•• --PP. 39°-438
Apparatus and material, § 550; Introduction, § 552; Auditorium, screen and operating room, § 553-557; Current, lamps and moving picture machine, § 558-574; Installation of a moving picture outfit, § 575; Optics of moving picture projection, § 576-578; Magic lantern with the moving picture machine, § 579; Management of the lamp, moving picture machine mechanism, §580-589; flicker, §590-592; General precautions, § 593; Splicing films, § 594; Winding and rewinding, § 595; Danger of fire, § 596; Conduct of an exhibition, § 597; Home projectors and advertising magic lanterns, § 598; Troubles with moving pictures, § 599; Summary of Ch. XI, § 5991.
CHAPTER XII Projection Rooms and Screens
Fig. 237-251 ; § 600-642 pp. 439-473
Apparatus and material for Ch. XII, § 600; Suitable room for projection, and its lighting, § 602-611; Position of the projection apparatus in the room, § 612-620; Screen for the image, § 621-628; 629-632; Size of screens and screen images, § 633-640; Troubles with rooms and screens, § 641; Summary of Ch. XII, § 642.
CHAPTER XIII
Electric Currents and their Measurement; Arc Lamps, Wiring and Control; Candle-Power of Arc Lamps for Projection
Fig. 252-308; § 650-782 pp. 474-571
Apparatus and material for Ch. XIII, § 650; Electric currents, kinds and comparison, § 652-653; Electric units, § 654-661; Electric measurements and apparatus, § 662-671; 672-674; Power factor, cycle, frequency, § 675-677; Special dynamo for arc lamps, § 678-680; Current rectifiers, § 681-683; 135 and 25 cycle currents for projection, § 684-685; Wiring for arc lamp from dynamo back to dynamo, § 686; Amperages for different purposes, short circuit, ground, insulation of wires, § 687-690;