Search results
Results from the WOW.Com Content Network
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.
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.
Electrochemical machining, a process that uses electricity to chemically machine metal. Commonly used in 3D printed firearms to create DIY barrels with rifling, greatly increasing accuracy. FCG. Fire control group, the trigger mechanism of a firearm. Commonly used to refer to the AR-15 fire control group.
Personally made firearms that fire one shot at a time are legal, as is 3D printing certain guns as a hobbyist. But further manufacturing faces a key legal test in October when the Supreme Court ...
Mimeograph machines predated the spirit duplicator, had a lower cost per impression, superior print quality, finer resolution, and if properly adjusted could be used for multi-pass and double-sided printing. Also, mimeographed images were as durable as the paper they were printed on, and didn't bleach to illegibility if exposed to sunlight, the ...
Parts books were often issued as microfiche, though this has fallen out of favour. Now, many manufacturers offer this information digitally in an electronic parts catalogue. This can be locally installed software, or a centrally hosted web application. Usually, an electronic parts catalogue enables the user to virtually disassemble the product ...
1917 office with a "Multigraph" duplicating machine at lower right. Printing/Applied ink methods Letterpress printing (via printing press) Gelatin methods (also indirect method) Hectograph; Collography, autocopyist; Chromograph, Copygraph, Polygraph; Flexography; Spirit duplicator (also Rexograph, Ditto machine, Banda machine, or Roneo ...
An A4-size Gestetner offset-printing machine. The Gestetner is a type of duplicating machine named after its inventor, David Gestetner (1854–1939). During the 20th century, the term Gestetner was used as a verb—as in Gestetnering. [1] The Gestetner company established its base in London, filing its first patent in 1879.