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US Patent: 913,172
Breast-drill
Patentees:
James G. Smith - Shippensville, PA
James C. McGregor - New Bethlehem, PA

USPTO Classifications:
173/165, 408/124, 408/236

Tool Categories:
woodworking tools : hand drills : breast drills

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles Hilliard
Homer E. Corbett

Patent Dates:
Applied: Sep. 05, 1908
Granted: Feb. 23, 1909

Patent Pictures:
Smith & McGregor 913,172
USPTO pdf tiff
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Description:
"....to provide an extendible stock and means whereby the bit or tool holding end may be set at right angles to the stock when desired...."

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