23rd November 1911, Page 20
23rd November 1911
Page 20

Page 20, 23rd November 1911
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Patents Completed.
FORCE FEED LUBRICATOR. — Manzel.—No. 8,232, dated 1st, April, 1911.—In this specification there is de scribed a force-feed lubricator, which is so arranged that the pumping......