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An angle gauge is a tool used by foresters to determine which trees to measure when using a variable radius plot design in forest inventory. Using this tool a forester can quickly measure the trees that are in or out of the plot. An angle gauge is similar to a wedge prism though it must be held a fixed distance from the eye to work properly ...
T bevel with protractor and dividers In use. A sliding T bevel, also known as a bevel gauge or false square [1] is an adjustable gauge for setting and transferring angles. . Different from the square, which is fixed and can only set a 90° angle, the sliding T bevel can set any angle and transfer it on anoth
The first known lawn mower had a cylinder cutting gear made of iron. [citation needed] It was used to mow sporting grounds and wide-ranging gardens.As manufacturers changed the design and structure of mowers, the cutting mechanism also developed and evolved into several varieties, including cylinder/reel blades, deck blades, mulching blades, and lifting blades.
The Toro Company was established as the "Toro Motor Company" in 1914 to build tractor engines for The Bull Tractor Company. [4] It built steam engines to support war efforts during World War I, and changed its name to Toro Manufacturing Company in 1920 when it began to refocus on manufacturing farm equipment. [5]
Made with a thin steel blade fixed at 90° into a thicker stock that is typically made of wood. The inside face of the stock is sometimes faced with brass to reduce wear. Historically woodworkers would often make their own try squares out of wood. The top of the stock is sometimes at a 45° angle so the square can also be used as a mitre square.
This is done by blade flapping and cycling feathering. Blade flapping is the primary means of countering dissymmetry of lift. [1]: 2–14 Rotor blades are designed to flap: the advancing blade flaps up and develops a smaller angle of attack due to a change in relative wind vectors, thus producing less lift than a rigid blade would. Conversely ...