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The Revere-O-Matic was a 0.55 ampere model that operated at 15,000 r.p.m. (Model No. RG-1). The tools that attached to its collet are compatible with the Dremel tool. The standard product included a table mount and a system for duplicating objects, adaptable to the Dremel without modification. [citation needed]
A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .
Kodascope is a name created by Eastman Kodak Company for the projector it placed on the market in 1923 as part of the first 16mm motion picture equipment. The original Kodascope was part of an outfit that included the Cine-Kodak camera, tripod, Kodascope projector, projection screen, and film splicer, all of which sold together for $335. [1]
In contrast, a modern LCD or DLP projector often uses an Ultra-high-performance lamp which has a higher luminous efficacy and lasts for thousands of hours. [5] A drawback of that technology is the warm up time required for such lamps. Older overhead projectors used a tubular quartz bulb which was mounted above a bowl-shaped polished reflector.
Simulator model: Marquee 9500LC [24] Electrohome: 1995: 9 inches ... 72 inch fixed screen projector with two projector lenses with crt three tubes. 30 fL on screen ...
By 1961, slide projectors had become Sawyers' second-most-profitable product. [15] A new model introduced in 1963 was known as the Sawyer's Rotomatic and used upright circular trays, called Rototrays, to hold the slides (100 per tray). [16] Sales totaled $8.6 million in 1961 and $9.1 million in 1962.
The facility manufactures more than 1,700 health care products and employs 1,100 people, as of 2018, making the plant 3M's largest focused on health care. [132] Mask production at the site increased during the 2009 swine flu pandemic , 2002–2004 SARS outbreak , 2018 California wildfires , 2019–20 Australian bushfire season , and COVID-19 ...
The first commercially available Thermofax machine was the Model 12. The 'layup' of the original and the copy paper was placed on a stationary glass platen and an infrared lamp and reflector assembly moved beneath the glass, radiating upwards. The layup was held in position by a lid with an inflatable rubber bladder that was latched down by the ...