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2. West Penn Railways - Wikipedia

   en.wikipedia.org/wiki/West_Penn_Railways

   West Penn Railways consisted of 339 miles (546 km) of electric trolley trackage at its peak. It operated in a well populated mining region of rugged mountainous western Pennsylvania and connected numerous towns and villages with hourly or better transport from its north end towns at McKeesport, Latrobe and Trafford through the larger towns of Greensburg, Mt Pleasant, Connellsville, Scottdale ...

3. Winch - Wikipedia

   en.wikipedia.org/wiki/Winch

   The winch is made of cable made up of a braided synthetic rope, or a steel cable wrapped around a motorized drum. Each is controlled electronically, allowing the operator to control the winch speed. [5] Modern vehicles typically use electric winches running off the car's 12V starter or 24V secondary battery. The winch is either controlled with ...

4. Digital model railway control systems - Wikipedia

   en.wikipedia.org/wiki/Digital_model_railway...

   Some digital control systems provide the ability to independently control all aspects of operating a model railway using a minimum of wiring, the rails themselves can be the only wiring required. Other systems are wireless. Control is achieved by sending a digital signal as well as power down the rails or wirelessly.

5. Remote control - Wikipedia

   en.wikipedia.org/wiki/Remote_control

   Most of these were connected to the set being controlled by wires, but the Philco Mystery Control (1939) was a battery-operated low-frequency radio transmitter, [14] thus making it the first wireless remote control for a consumer electronics device. Using pulse-count modulation, this also was the first digital wireless remote control.

6. Trafford, Pennsylvania - Wikipedia

   en.wikipedia.org/wiki/Trafford,_Pennsylvania

   Trafford is a borough in Allegheny and Westmoreland counties in the U.S. state of Pennsylvania. Located near Pittsburgh in western Pennsylvania , the borough lies primarily in Westmoreland County; only a small portion extends into Allegheny County.

7. AOL Mail

   mail.aol.com

   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!

8. Multiway switching - Wikipedia

   en.wikipedia.org/wiki/Multiway_switching

   The Carter system, also known as the Chicago system, was a method of wiring three-way switches in the era of early knob-and-tube wiring. This now-obsolete wiring method has been prohibited by the USA National Electrical Code since 1923, [ 2 ] even in new knob-and-tube installations which are still permitted under certain circumstances.

9. X10 (industry standard) - Wikipedia

   en.wikipedia.org/wiki/X10_(industry_standard)

   X10 wireless devices send data packets that are nearly identical to the NEC IR protocol used by many IR remotes, and a radio receiver then provides a bridge which translates these radio packets to ordinary X10 power line control packets. The wireless protocol operates at a frequency of 310 MHz in the U.S. and 433.92 MHz in European systems.