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  2. Point machine - Wikipedia

    en.wikipedia.org/wiki/Point_machine

    The point machine (in this case an electric motor) and associated mechanism used to operate this switch can be seen to the right in the picture. A point machine (also known as a point motor, switch machine or switch motor) is a device for operating railway turnouts especially at a distance.

  3. Railroad switch - Wikipedia

    en.wikipedia.org/wiki/Railroad_switch

    A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.

  4. List of telephone switches - Wikipedia

    en.wikipedia.org/wiki/List_of_telephone_switches

    The modules are combined to form a complete switch or any of the modules can be added to your present Step-by-Step Systems.) EMS-2 (The EMS-2 RURAL SWITCH is a stored program control analog switch designed to be cost-effective in small exchanges. The modular design with connectorized cabling permits fast initial installation and growth.

  5. Wm. K. Walthers - Wikipedia

    en.wikipedia.org/wiki/Wm._K._Walthers

    Wm. K. Walthers, Inc., was officially founded in Milwaukee in 1932—though it started years earlier when seven-year-old William K. (Bill) Walthers got his first taste of the hobby with a small, wind-up toy train for Christmas. He continued with the hobby and eventually had an attic layout composed primarily of his scratch-built creations.

  6. Lever frame - Wikipedia

    en.wikipedia.org/wiki/Lever_frame

    A mechanical lever frame inside the signal box at Knockcroghery in Ireland Waterloo station A signalbox, LSWR (Howden, Boys' Book of Locomotives, 1907). Mechanical railway signalling installations rely on lever frames for their operation to interlock the signals, track locks [1] and points to allow the safe operation of trains in the area the signals control.

  7. A tiny and cheap device called a 'Glock switch' lets ... - AOL

    www.aol.com/news/tiny-cheap-device-called-glock...

    Handguns and rifles illegally modified with devices called “Glock switches” to become machine guns have proliferated, officials say. The devices are tiny, cheap and easy to install.

  8. General Railway Signal - Wikipedia

    en.wikipedia.org/wiki/General_Railway_Signal

    GRS Model 2 interlocking machine (1915) In 1960, GRS opened the "General Railway Signal Company de Argentina" (GRSA) division in Buenos Aires , which provided manufacture, installation and technical support of GRS railroad signalling systems in Argentina .

  9. These Homeowners Didn't Know They Had an Ant Problem ... - AOL

    www.aol.com/lifestyle/homeowners-didnt-know-had...

    Install good weather stripping and door sweeps. "These typically need to be changed every few years," Tye says. "If you see daylight around closed exterior doors, or feel a breeze, it's time to ...