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 #:
00043
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 Comp any Double Dissolving Equipments Figure 2—Double Dissolving Model D Balopticon. A double dissolving equipment can be made up by combining two of any ne of the above models and add.ng the iris dissolver. The price is twice that of the single equipment plus the price of the dissolver, indicated below. In ordering hT.^ ° r °' the “ D P« e d.d Attachments The Model D Balopticon accommodates a variety of attachments which give n a wide range of usefulness in the class room and the laboratory. These attach- ments are: for the projection of opaque objects; of microscopic objects; of transparent subjects held in a horizontal position; projection of the spectrum and complementary colors; and a set of accessories for projecting on the screen experiments in chemistry and physics. Attachment for Projection of Opaque Objects attachment for the Projection of opaque objects is readily added to the Model D by clamping the accessory to the optical bed, first removing all the standards from the latter. It will be noted from the illustration, Figure 3 that the apparatus is set up with the back of the lamp house facing the screen. For this reason the light-tight lamp house is preferable, althoug either style, of course can he liseH. 40