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2. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   Electric screens are similar to pull-down screens, but instead of the screen being pulled down manually, an electric motor raises and lowers the screen. Electric screens are usually raised or lowered using either a remote control or wall-mounted switch, although some projectors are equipped with an interface that connects to the screen and ...

3. 10 Old Tech Gadgets Worth a Pretty Penny Today

   www.aol.com/10-old-tech-gadgets-worth-140005518.html

   Featuring a touch-sensitive screen and a full QWERTY keyboard, well-preserved units can sell for several hundred dollars (around $250), while rare editions like the Revo 8MB can command even ...

4. Cathode-ray tube - Wikipedia

   en.wikipedia.org/wiki/Cathode-ray_tube

   The shadow mask is installed to the screen using metal pieces [348] or a rail or frame [349] [350] [351] that is fused to the funnel or the screen glass respectively, [256] holding the shadow mask in tension to minimize warping (if the mask is flat, used in flat-screen CRT computer monitors) and allowing for higher image brightness and contrast.

5. Milwaukee Tool - Wikipedia

   en.wikipedia.org/wiki/Milwaukee_Tool

   By 1935, Milwaukee Electric Tool Corporation developed a lightweight 3/4" electric hammer drill. This power tool was designed to drill and sink anchors into concrete. This drill could also be converted into a standard 3/4" drill. Milwaukee also designed an easy-to-handle, single-horsepower sander/grinder that weighed only 15 pounds. [7]

6. AOL Mail

   mail.aol.com/?icid=aol.com-nav

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Talaria projector - Wikipedia

   en.wikipedia.org/wiki/Talaria_projector

   Talaria was the brand name of a large-venue video projector from General Electric introduced in 1983. [1]Early model GE Talaria light valve video projector. Light from a Xenon arc lamp was modulated by a light valve consisting of a rotating glass disc that was continuously re-coated with a viscous oil.