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1:32, 1:35, 1:72 and 1:76 scales. Airfix was the first company to release small-scale military vehicles in 1960 with the 1:72 Bristol Bloodhound with Launcher, SWB Land Rover and trailer. The original range of vehicles was in 1:76 scale, also known as OO scale.
Airfix Model World is a monthly magazine published in the United Kingdom by Key Publishing since 2010, produced under licence from Airfix. [2] It covers the hobby of plastic modelmaking , particularly model aircraft, but also including model cars, ships, sci-fi/spacecraft, armoured vehicles and figures. [ 3 ]
Lightning arresters are mounted on the crossarm opposite the fuse cutouts. Fuse cutouts with V-shaped bodies. In electrical distribution, a fuse cutout or cut-out fuse (often referred to as a cutout) is a combination of a fuse and a switch, used in primary overhead feeder lines and taps to protect distribution transformers from current surges ...
[40] [41] [43] [88] [page needed] A Lightning fitted with Avon 200-series engines, a ventral tank, and two Firestreak missiles had a maximum speed of Mach 1.9 (2,328 km/h; 1,446 mph) on a standard day; [89] while a Lightning powered by the Avon 300-series engines, a ventral tank and two Red Top missiles had a maximum speed of Mach 2.0. [62]
Many manufacturers in the past, particularly in the UK, produced items to 1:76 and labeled the packaging as being 1:72, because the scales were historically considered to be close. An example is Airfix's and Matchbox's series of vehicle kits to 1:76, which were eventually re-issued with labeling indicating a scale of 1:72. 1:76 still exists ...
The first rubber-insulated cables for US building wiring were introduced in 1922 with US patent 1458803, Burley, Harry & Rooney, Henry, "Insulated electric wire", issued 1923-06-12, assigned to Boston Insulated Wire and Cable . These were two or more solid copper electrical wires with rubber insulation, plus woven cotton cloth over each ...
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.
Permanent light fixtures, such as dining room chandeliers, may have no switch on the fixture itself, but rely on a wall switch. Fixtures require an electrical connection to a power source, typically AC mains power, but some run on battery power for camping or emergency lights. Permanent lighting fixtures are directly wired.