An electrician is a tradesperson specializing in electrical wiring of buildings, transmission lines, stationary machines, and related equipment. Electricians may be employed in the installation of new electrical components or the maintenance and repair of existing electrical infrastructure. Electricians may also specialize in wiring ships, airplanes, and other mobile platforms, as well as data and cable lines.
Tandy 1400LT
The Tandy 1400LT is the first MS-DOS compatible laptop sold by Tandy Corporation. Introduced in November 1987, it had two 3.5 inch floppy drives and a flip-up monochrome LCD screen, powered by an internal battery
Q multiplier
In electronics, a Q multiplier is a circuit added to a radio receiver to improve its selectivity and sensitivity. It is a regenerative amplifier adjusted to provide positive feedback within the receiver. This has the effect of narrowing the receiver's
In a radio receiver, a bandspread control is a secondary tuning control that allows accurate tuning of closely spaced frequencies of a radio band. With a main tuning control that covered a wide range of frequencies, for example 10-14 megahertz in a few
Vacuum metallurgy
Vacuum metallurgy is the field of materials technology that deals with making, shaping, or treating metals in a controlled atmosphere, at pressures significantly less than normal atmospheric pressure. The purpose of vacuum metallurgy is to prevent
North Forge Fabrication Lab
North Forge Fabrication Lab is a rapid prototyping workshop and business development facility located in Winnipeg, Manitoba. Founded in September 2011, it is a fabrication laboratory, intended to assist entrepreneurs in developing their ideas into
French Atlantic Cable Company
The French Atlantic Cable Company was established in 1869 to install a transatlantic telegraph cable independent of British territories. The cable ran 2,584 miles from Brest to Saint Pierre Island off the coast of Newfoundland, then a second leg ran 749
Florence Kerr Wilson
Florence Kerr Wilson OBE was a pioneer of aviation in East Africa. She founded and operated Wilson Airways Ltd., which operated from airfields in Nairobi from 1929 until the airline was absorbed by the Kenyan military in 1939 at the outbreak of World War
SCELBI was an early model of microcomputer based on the Intel 8008 processor. The company SCELBI Computer Consulting in 1973, by Nat Wadsworth. The SCELBI 8H was marketed in 1974 and was delivered either as an assembled unit or as a kit, with five basic
Norman Moody
Norman Moody was a British-Canadian electrical engineer. Born in England, he first worked at Halcyon Radio, where he worked on the design and production of early electronic television sets. During the Second World War he worked at the Telecommunications
France Bleu Pays de Savoie
France Bleu Pays de Savoie, sometimes referred to as France Bleu Savoie, is a generalist radio station based in Chambéry. The radio station serves the departments of Savoie and Haute-Savoie, though it can also be received as far as Geneva, Lyon, and in