Because of high cost of flame cutting huge (14 to 30 ton) manganese bronze ship propellers, saw was built by Panama Machinery Co, Seattle, Wash, that would span 55 in. in one cut; construction of saw; feeding of work; making cuts; slitting hub.
Giant saw cuts giant scrap
Am Mach/Metalworking Mfg
American Machinist, Metalworking Manufacturing ; 105 , n 11
1961
2 pages
Aufsatz (Zeitschrift)
Englisch
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