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Arbor milling. Arbor milling is a cutting process which removes material via a multi-toothed cutter. An arbor mill is a type of milling machine characterized by its ability to rapidly remove material from a variety of materials. This milling process is not only rapid but also versatile.
Evans Lustron House in Columbus, Indiana. This is a list of notable Lustron houses. A Lustron house is a home built using enameled metal. There were about 2500 prefabricated homes built in this manner.
A mandrel, mandril, or arbor is a tapered tool against which material can be forged, pressed, stretched or shaped (e.g., a ring mandrel - also called a triblet [1] - used by jewellers to increase the diameter of a wedding ring), or a flanged or tapered or threaded bar that grips a workpiece to be machined in a lathe.
Columbus (/ k ə ˈ l ʌ m b ə s /, kə-LUM-bəs) is the capital and most populous city of the U.S. state of Ohio.With a 2020 census population of 905,748, [10] it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest (after only Chicago), and the third-most populous U.S. state capital, after only Phoenix, Arizona and Austin, Texas.
Ann Arbor is also included in the Detroit-Warren-Ann Arbor combined statistical area and the Great Lakes megalopolis. Ann Arbor was founded in 1824 by John Allen and Elisha Rumsey. [9] [10] It was named after the wives of the village's founders, both named Ann, and the stands of bur oak trees they found at the site of the town. [11]
Union Station. This is a list of demolished buildings and structures in Columbus, Ohio. Over time, countless notable buildings have been built in the city of Columbus. Some of them still stand today and can be viewed, however, many local landmarks have since been demolished. The reason for the demolition was often that the condition of the ...
December 30, 1974. Boundary increase. November 28, 1980. German Village is a historic neighborhood in Columbus, Ohio, just south of the city's downtown. It was settled in the early-to-mid-19th century by a large number of German immigrants, who at one time comprised as much as a third of the city's entire population.
In 1913, Marble Cliff Quarries Co. was founded and shortly consolidated quarrying activities with the merger of Casparis Stone, Scioto Stone, Kiefer Stone, and Woodruff and Pausch Stone. John W. Kaufman was named president of the company and H.J. Kaufman vice president. [2] The company grew through the expansion of stone grades from one to six ...