timtife THE ADVOCATE OF INDUSTRY, AND JOURNAL OF SCIENTIFIC, MECHANICAL, AND OTHER IMPROVEMENTS. [NUMBER 46. NEW-YORK JULY 28, 1855. VOLUME X.] IMPROVEMENT IN WIND MILLS. … tained as above stated. The author of this enabling the attendant to inc rease the force of screw. E is the hub which carries the sails. The annexed engravings represent an im- theory appears to have taken considerable the spring, F, by increasing the weight. provement in Windmills, for which a…
Claim · Patents · Combination · Machine · Manner · Sir john · Arranged · Electro magnet · Steam engines · John franklin · Manner set · Scientific American · Patent office · Purpose set · Purposes set · Slats capable
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