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Turning is a term used when referring to moving the level to take an elevation shot from a different location. To "turn" the level, one must first take a reading and record the elevation of the point the rod is located on. While the rod is being kept in exactly the same location, the level is moved to a new location where the rod is still visible.
The Fell All-Way precision level, one of the first successful American made bull's eye levels for machine tool use, was invented by William B. Fell of Rockford, Illinois in 1939. [2] The device was unique in that it could be placed on a machine bed and show tilt on the x-y axes simultaneously, eliminating the need to rotate the level 90 degrees.
The Kalamazoo Manufacturing Company located in Kalamazoo, Michigan, was a railroad-equipment manufacturer and, later, a materials-handling company, that was founded in 1883 and closed in the 1990s. It made four passenger vehicles for use at the 1964-65 New York World's Fair .
The plate level is then used, rotating it 90 degrees between readings to level the instrument more precisely. The Fell All-Way precision level, one of the first successful American made bull's eye levels for machine tool use, was invented by William B. Fell, Rockford, Illinois prior to World War II in 1939. [ 1 ]
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The Y level or wye level is the oldest and bulkiest of the older style optical instruments. A low-powered telescope is placed in a pair of clamp mounts, and the instrument then leveled using a spirit level, which is mounted parallel to the main telescope. The term dumpy level (also builder's level) endures despite the evolution in design. They ...
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Kalamazoo (/ ˌ k æ l ə m ə ˈ z uː / KAL-ə-mə-ZOO) is a city in and the county seat of Kalamazoo County, Michigan, United States. At the 2020 census, Kalamazoo had a population of 73,598. It is the principal city of the Kalamazoo–Portage metropolitan area in southwestern Michigan, which had a population of 261,670 in 2020.