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This series would ultimately culminate in U.S. patent 1,674,841, filed in 1923, [8] which was sold commercially as the Schlage "A" series lock. [3] Schlage would later make a 1925 filing for a push button cylindrical lock fusing the two 1920 patents with the 1923 patent. [9] Schlage's first shop was at 229 Minna Street, [10] and he moved to 461 ...
Walter Reinhold Schlage (1882–1946) was a German-born American engineer and inventor. Known as the Lock Wizard of Thuringia , he is best known for the bored cylindrical lock and the lock company that bears his name, Schlage Lock Co.
Thus locksmithing, as its name implies, is the assembly and designing of locks and their respective keys by hand. Most locksmiths use both automatic and manual cutting tools to mold keys, with many of these tools being powered by batteries or mains electricity.
Norsk Data was a minicomputer manufacturer located in Oslo, Norway.Existing from 1967 to 1998, it had its most active period from the early 1970s to the late 1980s. At the company's peak in 1987, it was the second largest company in Norway and employed over 4,500 people.
ND Wilson (official website and blog). Nathan D Wilson (faculty bio), New Saint Andrews. "My interview with ND Wilson", A Fort Made of Books (World Wide Web log), Feb 2009. Writing Style (interview), Pontification Ad Nauseam, archived from the original on 2009-05-18. N.D. Wilson (author profile), Book reviews & more, November 2010.
Later thermionic vacuum tubes, mostly miniature style, some with top cap connections for higher voltages. A vacuum tube, electron tube, [1] [2] [3] thermionic valve (British usage), or tube (North America) [4] is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied.
The publication of the first US Navy Diving Manual [4] in 1916 and the establishment of a Navy Diving School at Newport, Rhode Island were the direct outgrowth of experience gained in the test program and the USS F-4 salvage. When the United States entered World War I, the staff and graduates of the school were sent to Europe, where they ...
The Dodge Dakota, marketed as the Ram Dakota for the final two years of production, is a mid-size pickup truck manufactured by Chrysler and marketed by its Dodge Truck division (model years 1987-2009) and later its Ram Truck division (2009-2010) — across three generations.