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Conrad Machine Co. is an independent manufacturer of etching and lithography presses, which it first began producing in 1956.The company was founded in 1945 by brothers Earl and Robert Conrad, and they offered general engineering services as well as their own products.
American French Tool Co., founded by Andre Beaudoin, was an independent manufacturer of etching and lithography presses from the early 1970s until its acquisition by Conrad Machine Co. in 1999. [1] Based in Coventry, Rhode Island , their product line of large floor model presses were highly regarded by professionals [ 2 ] for their design ...
In the early days of inkjet printing, the large droplets and low resolution made inkjet prints significantly inferior to dye-sublimation, but many of today's inkjets produce extremely high-quality prints using microscopic droplets and supplementary ink colors, producing superior color fidelity and sharpness to dye-sublimation.
ferric chloride may be used for etching copper or zinc plates, whereas nitric acid may be used for etching zinc or steel plates. Typical solutions are 1 part FeCl 3 to 1 part water and 1 part nitric to 3 parts water. The strength of the acid determines the speed of the etching process. The etching process is known as biting (see also spit ...
The term "crystallographic etching" is synonymous with "anisotropic etching along crystal planes". However, for some non-crystal materials like glass, there are unconventional ways to etch in an anisotropic manner. [2] The authors employ multistream laminar flow that contains etching non-etching solutions to fabricate a glass groove.
After Dickerson worked on the press more, he eventually earned patents in the U.S. and Britain and began selling the printing presses to colleges and artists all over the world. From that point on, the Dickerson Combination Press was Dickerson's main source of income. [1] This press design is still in production in various sizes.