Ads
related to: for sale 1970s overhead projector lights outdoor home depot large outdoor planters
Search results
Results from the WOW.Com Content Network
The price asked for a double set without lenses asked in West-Germany in 1956 was 42,510.00 Marks, which at the rate of exchange at that time (4:1), related to $10,627.50 for the pair, or $5,313.75 per projector. [8] That price was higher than 35mm only projectors, but still reasonably low if compared to competitors like Bauer U2. [9]
An overhead projector (often abbreviated to OHP), like a film or slide projector, uses light to project an enlarged image on a screen, allowing the view of a small document or picture to be shared with a large audience. In the overhead projector, the source of the image is a page-sized sheet of transparent plastic film (also known as "viewfoils ...
The Slide Cube Projector is a slide projector and system, manufactured and marketed by Bell & Howell, which was introduced in 1970 and marketed through the 1980s.The projector derived its name from its transparent cubical plastic slide storage magazine, approximately 5.5 cm (2.2 in) in each dimension (a bit larger than a standard 135 film slide mount), that held 36 to 44 slides, depending on ...
In the late 1950s and early 1960s, overhead projectors began to be widely used in schools and businesses. The first overhead projector was used for police identification work. [citation needed] It used a celluloid roll over a 9-inch stage allowing facial characteristics to be rolled across the stage. The United States military in 1940 was the ...
A diverse assortment of lighting and electrical products were also cataloged, such as exit signs, backup batteries, dimmer boards, connectors, effect projectors, chandeliers, marquee lights (and complete marquees), charging outlets for electric cars, switchboards, etc. Featured was a "Skyrocket" sign for Tilyou's Steeplechase Park in Coney ...
Light from a liquid light show, being projected behind a guitarist Layers of colored mineral oil and alcohol move over the projector lens and produce changing color patterns. Liquid light shows (or psychedelic light shows ) [ not verified in body ] are a form of light art that surfaced in the early 1960s as accompaniment to electronic music and ...
Ads
related to: for sale 1970s overhead projector lights outdoor home depot large outdoor planters