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Binoculars housings can be made of various structural materials. Old binoculars barrels and hinge bridges were often made of brass. Later steel and relatively light metals like aluminum and magnesium alloys were used, as well as polymers like (fibre-reinforced) polycarbonate and acrylonitrile butadiene styrene. The housing can be rubber armored ...
They existed only six years from late 1940 until 1946, and were active only from late 1941, but during that period they became Leaside's largest employer, producing C$220 million worth of radar systems and optical instruments ($3,677 million in 2025). After the war, the government rapidly closed the various wartime companies it had started.
A View-Master reel holds 14 film transparencies in seven pairs that create the seven stereoscopic images. The components of each pair are viewed simultaneously, one by each eye, thus simulating binocular depth perception. According to a 1960 court document, the Gruber-Sawyer partner venture began from that first meeting in 1938.
Before you decide to dig up those old VHS tapes, however, here's a list of the some of the most valuable types of tapes (and how much they're going for): More from AOL.com: What your barbies are ...
Orion Telescopes & Binoculars was an American retail company that sold telescopes, binoculars and accessories online and in-store for astronomy and birdwatching. It was founded in 1975 and had corporate offices in Watsonville, California. [1] A large proportion of its products were manufactured by the Chinese company Synta for the Orion brand ...
Leupold & Stevens, Inc. is an American manufacturer of telescopic sights, red dot sights, binoculars, rangefinders, spotting scopes, and eyewear located in Beaverton, Oregon, United States. The company, started in 1907, is on its fifth generation of family ownership. [2] [3]
There once was a time when phones that flipped open and had a keyboard were all the rave -- and now, these same phones are worth a surprising value. Your old cell phone may be worth more than you ...
A typical stereoscope provides each eye with a lens that makes the image seen through it appear larger and more distant and usually also shifts its apparent horizontal position, so that for a person with normal binocular depth perception the edges of the two images seemingly fuse into one "stereo window". In current practice, the images are ...
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