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Cope and drag with cores in place on the drag Two sets of castings (bronze and aluminium) from the above sand mold. In foundry work, the terms cope and drag refer respectively to the top and bottom parts of a two-part casting flask, used in sand casting. The flask is a wood or metal frame, which contains the molding sand, providing support to ...
Marion Power Shovel Company was an American firm that designed, manufactured and sold steam shovels, power shovels, blast hole drills, excavators, and dragline excavators for use in the construction and mining industries. The company was a major supplier of steam shovels for the construction of the Panama Canal.
SearchTempest is an aggregator of online classified advertisements that allows users to search results from craigslist, eBay, and Amazon.com together. [1]Created in 2006 by Nathan Stretch, SearchTempest was originally named Craig's Helper and was made to help users search more than one craigslist city at once. [2]
R.M. Wade & Co. is a Beaverton, Oregon based manufacturer of agricultural and irrigation equipment. Founded in 1865 by Robert M. Wade, it is the oldest family-owned company in the state of Oregon. [1] It is notable for creating the Wade Drag Saw in the early 1930s, [2] [3] and its national distribution of the Ford-Ferguson Tractor [failed ...
This is a third segment in the flask, in addition to the cope and drag. This allows the entire mold to be made from green sand and from removable patterns. The disadvantage of this is more mold-making operations are required, but it is usually advantageous when the quantities are low.
The Galion Iron Works Company of Galion, Ohio, was founded by David Charles Boyd and his three brothers in 1907.In its early years, the Galion produced a wide range of road-building and other construction equipment, such as drag scrapers, plows, wagons, stone unloaders, rock crushers, and a variety of other "experimental machines".
Newmark launched craigslist.org in 1996, where people could exchange information, mostly without charge. [12] It started as a newsletter about San Francisco events. [ 14 ] He operated it as a hobby while continuing to work as a software engineer until 1999 when he incorporated Craigslist as a private for-profit company. [ 15 ]
Both the washing machine and gladiron were big hits in households throughout the country and the world. The Arcade Toy Company made tiny replicas of both machines for doll houses. In 1920, the Hurley Machine Company introduced the Thor vacuum cleaner, believed to be the first electric vacuum cleaner manufactured in the United States. [4]