GEOW FIFIELD .LOWELL MSS FRICTION CLUTCH Pulleys and Cut-off Couplings. 9 WITH SAFETY LOCK ATTACHMENT. PATENTS NEGOTIATED ABROAD. WATCHMAN'S IMPROVED TIME DETECTOR, scientific american, 1884-11-29
GEOW FIFIELD .LOWELL MSS FRICTION CLUTCH Pulleys and Cut-off Couplings. 9 WITH SAFETY LOCK ATTACHMENT. PATENTS NEGOTIATED ABROAD. WATCHMAN'S IMPROVED TIME DETECTOR, scientific american, 1884-11-29
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