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The stud contact system is also used on model railway systems (e.g. Märklin) as the center line of studs is less obtrusive than a single central rail. For outdoor model railway systems the use of a stud supply system with a skate/ski collector has certain practical advantages. The system is inherently self-cleaning.
Trolley pole wheel on top of the trolley pole of Twin City Rapid Transit Company No. 1300. A current collector (often called a "pickup") is a device used in trolleybuses, trams, electric locomotives and EMUs to carry electric power from overhead lines, electric third rails, or ground-level power supplies to the electrical equipment of the vehicles.
However, on most railway vehicles using overhead wire, the trolley pole has given way to the bow collector or, later, the pantograph, a folding metal device that presses a wide contact pan against the overhead wire. While more complex than the trolley pole, the pantograph has the advantage of being almost free from dewiring, being more stable ...
Each MOST50 device would contain five copper wire connections in this configuration. Control line (for signals sent from the master) and two UTP sets (each containing D+ D−). One set is used for data input (outputted from the preceding device on the network ring) while the other is used for data output to the next device on the ring.
A stud finder (also stud detector or stud sensor) is a handheld device used with wood buildings to locate framing studs located behind the final walling surface, usually drywall. While there are many different stud finders available, most fall into two main categories: magnetic stud detectors and electric stud finders.
James Earl Winner, Jr. (July 12, 1929 – September 14, 2010) was an American entrepreneur and chairman of Winner International who created The Club, an anti-theft device that is attached and locked on to a car's steering wheel, making it more difficult for car thieves to steal the car. By 1994, sales of the device had reached 14 million units.
Ramsey's car-transfer apparatus. Two parallel tracks of 18 in (457 mm) were set approximately 9 feet (2.74 m) apart.Between these two tracks, the standard and narrow gauge tracks descended into a pit, one from each end of the pit, overlapping in the center and having a common center line.
Wheel hub with disc brake and 5 wheel studs. Wheel studs are the threaded fasteners that hold on the wheels of many automobiles. They are semi-permanently mounted directly to the vehicle hub, usually through the brake drum or brake disk. Lug nuts are fastened onto the wheel stud to secure the wheel. When a wheel is removed for tire changes etc ...