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Books Books 1 - 2 of 2 on many different points as there are depths to be drilled at one setting of the work..
" many different points as there are depths to be drilled at one setting of the work. "
Illustrated Catalogue of Machine Tools, Wood Working Machinery, Etc. for ... - Page 177
by Fairbanks Company - 1907 - 613 pages
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Machinery, Volume 8

Mechanical engineering - 1902
...provided, a dial depth gauge for reading all depths from zero, and an automatic trip that operates at as many different points as there are depths to be drilled at one setting of the work. This Book is yours on request. The Bickford Drill and Tool Co, Cincinnati, Ohio, USA STOP! AND NOTICE...
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Railway Master Mechanic, Volume 29

1905
...and requires but the slightest move to be put In Instant action. The automatic trip operates at as many different points as there are depths to be drilled at one setting of the work. It leaves the spindle free, after any intermediate tripping, to be advanced, or raised and advanced,...
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