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Alfred William Gallagher MBE (17 May 1911 – 8 August 1990) was a New Zealand inventor, manufacturing engineer and businessman. He is notable for popularising the electric fence . Early life
A "stun–lethal" fence may also consist of two fences; one set of wires forming a conventional pulsed DC non-lethal fence, the second set (interleaved with the first) forming a 6.6 kV AC lethal fence, energized when the DC fence detects an intruder. Alternatively it may consist of a single, AC or pulsed DC fence capable of running in "safe ...
An early application of the electric fence was developed in 1936/1937 by New Zealand inventor William "Bill" Gallagher Snr. Built from a car's ignition coil and a meccano set, Gallagher used the device to keep his horse from scratching itself against his car. Gallagher later started a company to improve and market his invention.
Simple split-rail fence Log fence with double posts (photo taken in 1938). A split-rail fence, log fence, or buck-and-rail fence (also historically known as a Virginia, zigzag, worm, snake or snake-rail fence due to its meandering layout) is a type of fence constructed in the United States and Canada, and is made out of timber logs, usually split lengthwise into rails and typically used for ...
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By far the most time-consuming part of installing a picket fence is setting the posts. Painting with a picket fence. There are some vinyl picket fence systems on the market that are installed without digging holes or pouring concrete. These are installed by driving pipe deep into the ground, which is how chain link fence has been installed for ...
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There are two types of foil used in modern fencing. Both types are made with the same basic parts: the pommel, grip, guard, and blade. The difference between them is one is electric, and the other is known as "steam" or "dry". [3]