Boring mill developed by George Richards and Co capable of dealing with propellers for largest ships afloat; machine is modification of Richards standard-type vertical boring mill, and has uprights mounted on slides, so that they can be moved back with respect to table to deal with exceptionally large propellers. (See also Engineering v 134 n 3470 July 15 1932 p 65-7; Engineer v 154 n 3991 July 8 1932 p 34-6; Brit Mach Tool Eng v 7 n 76 July-Aug 1932 p 105-12)
17-25 ft. Vertical boring mill for propellers
Machy (Lond)
Machinery (London) ; 40 , n 1031
1932
4 pages
Aufsatz (Zeitschrift)
Englisch
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17-25 ft. Vertical boring mill for propellers
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