Projection Apparatus (1917)

Record Details:

Title:
Projection Apparatus
Date:
1917
Publisher:
Rochester, N.Y: Bausch & Lomb Optical Co.
Volume:
Bausch & Lomb Optical Co. Projection Apparatus
Leaf #:
000110
Language:
English
Collection:
Magic Lantern and Lantern Slide Catalog
Format:
Catalogs
Contributor:
Toverlantaarnmuseum Scheveningen (TOMU)
Sponsor:
A Million Pictures
Coordinator:
Media History Digital Library
Description:
This catalogue advertises various projection devices, for projection of transparent images and for the projection of opaque objects as well as film projectors. The technical workings of each apparatus are explained. The catalogue also lists projection lenses and light sources (electric light, carbon light, oxyhydrogen light), fuses, light bulbs, switches and microscopes for projection. The catalogue is richly illustrated.
Date Added:
March 28, 2024
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Bausch & Lomb Optic al Company Figure 2 15-Ampere Rheostat, No. 4450. Figure 3—15 to 35-Ampere Rheostat, No. 4456. Resistance for Mazda Lamp on 220 Volts When the Mazda stereopticon lamps, which are of the 110-115 volt type, are to be used on a 220-volt circuit, a resistance must be introduced in series with the lamp. The proper resistance for the various wattages are listed below. 107