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Primary view of Milk-Cooler
Hay, Perrie
June 2, 1908
Primary view of Pneumatic Knee Pad
Gibbs, Paalgo P.
June 23, 1908
Primary view of Nut Lock
Broadfoot, Jacob O.
June 11, 1907
Primary view of Display-Stand.
Gates, Norwood
June 23, 1921
Primary view of Excavating Apparatus
Bump, James G.
June 9, 1903
Primary view of Self-Dumping Cage for Hoisting Coal, & c., from Mines.
Burdic, Malvern W.
June 25, 1901
Primary view of Automatic Locking and Releasing Device for Mining-Cars
Stroope, Joseph H.
June 15, 1909
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