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Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.
front cover G1 1930. This is the Group G series List of the United States military vehicles by (Ordnance) supply catalog designation, – one of the alpha-numeric "standard nomenclature lists" (SNL) that were part of the overall list of the United States Army weapons by supply catalog designation, a supply catalog that was used by the United States Army Ordnance Department / Ordnance Corps as ...
Originally used for gun stocks, it was subsequently used for numerous objects of irregular shape: piano legs, wig stands, shoe lasts, etc. In Blanshard's copying lathe a rotating template controlled the cutter which cut the blank rotated in unison with the pattern, while the pattern tracer and the cutter moved along the horizontal axis.
"R" (Rifle) had to be grouped within a 5-inch circle; it came packed in cartons or bandoleers and was suitable for use in rifles. "MG" (Machine Gun), the least accurate, had to be grouped within a 7.5-inch circle; it came in woven belts and was suitable for use in ground machine-guns. Class 3 (Unsuitable) was rejected for not meeting standards.
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Muir, Merritt Roe Smith, and Robert B. Gordon all agree that before 1832 both Simeon North and John Hall were able to mass-produce complex machines with moving parts (guns) using a system that entailed the use of rough-forged parts, with a milling machine that milled the parts to near-correct size, and that were then "filed to gage by hand with ...
Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by digital duplicators, scanners , laser printers , and photocopiers , but for many years they were the primary means of reproducing documents for limited-run distribution.
Thomas Blanchard in his later years. Thomas Blanchard (June 24, 1788 – April 16, 1864) was an American inventor who lived much of his life in Springfield, Massachusetts, where in 1819, he pioneered the assembly line style of mass production in America, and also invented the first machining lathe for interchangeable parts.