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Wireless backup camera: These come with a wireless camera and receiver, which makes them easier and cheaper to install than wired versions. [ 3 ] Built-in audio intercom: Used in addition to the camera system for communicating with a spotter outside the vehicle, common when backing large trailers or launching boats.
The green of Oliver, red of Cockshutt and yellow of Minneapolis-Moline tractors was replaced by the silver tractors of White's Field Boss line. The Field Boss models in approximate order of introduction are as follows: 4-150 (The 4 indicates four wheel drive and the 150 is the power take-off horsepower) 2-105, 2-150 4-180, 2-50, 2-60, 2-70, 2 ...
United Tractor and Material Handling Equipment Company was founded by United States Army Air Force veteran George A. Sivore in Hammond, Indiana in 1960 as a division of the United Boiler Heating and Foundry Company. [1] [2] By 1962, it had become United Tractor, Inc. and that year it moved to Chesterton, Indiana. [3]
American Tractor Corporation (ATC) was an American manufacturer of tracked type agricultural and industrial tractors based in Churubusco, Indiana. Their tractors were marketed using the "Terra" prefix before a descriptive term. The bulldozers were referred to as Terra Dozers, the general purpose tractors Terra Tracs and the backhoes Terra Hoes
Bofors gun tractor. [2] Approximately 5,500 QLBs were built. [3] Several QLBs were fitted with shortened GS bodies and recovery cranes to be used as wreckers by the Danish Army (Used until late 1960s). [4] QLC Fire engine. [2] Signals vehicle. [2] Petrol tanker. [2] QLD General service cargo truck and was the most numerous version in the series ...
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Diver telephone c.1911. The original communication between diver and surface attendant was by pulls on the diver's lifeline. [11] Later, a speaking tube system, patented by Louis Denayrouze in 1874, was tried; this used a second hose with a diaphragm sealing each end to transmit sound, [12] but it was not very successful. [13]
Wireless through-water communications between bell and main control console is a backup system in case of failure of the hardwired system with the bell. Closed circuit video from cameras on the bell and diver helmets allow visual monitoring of the dive and the divers by the supervisor.