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Scientific American, Vol. 90, No. 15 (April 1904) (1904)

leaf 10

An illustration from Scientific American, Vol. 90, No. 15 (April 1904), 1904, leaf 10
while the work in the improved bird cage. WINDMILL WITH REVERSING ATTACHMENT. lathe is running, without danger of altering the size We illustrate herewith a new type of windmill, which set on the calipers, thus saving the time of stopping is so arranged that its direction of rotation may be and… … tion, the instant the shield reaches the desired posi IMPROVED CALIPERS. WINDMILL WITH REVERSING ATTACHMENT. © 1904 SCIENTIFIC AMERICAN, INC

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