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Tripod (surveying) A surveyor's tripod with a shoulder strap. The head of the tripod supports the instrument while the feet are spiked to anchor the tripod to the ground. A surveyor's tripod is a device used to support any one of a number of surveying instruments, such as theodolites, total stations, levels or transits.
A spirit level, bubble level, or simply a level, is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). Two basic designs exist: tubular (or linear) and bull's eye (or circular). Different types of spirit levels may be used by carpenters, stonemasons, bricklayers, other building trades workers ...
littlegiantladders.com. Wing Enterprises is an American company headquartered in Springville, Utah company, the largest American manufacturer of ladders as of 2005. [1] The company produces the Little Giant Ladder System, a convertible aluminium ladder system. The founder of Wing Enterprises, Harold Ray "Hal" Wing, came across a prototype of ...
Tribrach (instrument) A tribrach with an optical plummet (the black cylinder pointing to the left lower corner of the image). A tribrach is an attachment plate used to attach a surveying instrument, for example a theodolite, total station, GNSS antenna or target to a tripod. A tribrach allows the survey instrument to be repeatedly placed in the ...
Self-levelling suspension lifts the rear end of the vehicle up to spread out the weight more evenly. This puts the weight back onto the front end of the vehicle, which lets the brakes do their job more effectively. [3] This is nonsense as this effect may only be achieved by changing load/cargo distribution. Raising or lowering a suspension and ...
The firing platform was supported by five legs, each of which (along with the central pedestal) had an adjustable screwed foot for leveling. It fired a 6.5 kg (14 lb) projectile to an effective altitude of 6,650 m (21,820 ft).