Projection Apparatus (1917)

Page scan 00084 from Projection Apparatus

Record Details:

Title:
Projection Apparatus
Date:
1917
Publisher:
Rochester, N.Y: Bausch & Lomb Optical Co.
Volume:
Bausch & Lomb Optical Co. Projection Apparatus
Leaf #:
00084
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 Optical Company Post Card Carrier —1'wo adjustable carriers with wooden frames which slide in holder fitting securely over opening in bottom of dark chamber. Bellows —Mounted on metal frames which slide in metal ways. Projection Lenses —Two of our new Balo lenses—one for lantern slides, with rack and pinion focusing adjustment, and one for the projection of opaque objects, with both rack and pinion and spiral focusing adjustments; the latter lens provided with large, first surface, adjustable reversing mirror. (See also Vertical Attachments.) Dimensions —Length, back of lamp house to front end of bed, 66 % in.; average height, 29/4 in. to upper edge of reversing mirror. Microscope Attachments 81