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Scientific American, Vol. 88, No. 17 (1903) (1903)
leaf 10
d. At the center of the cap A is an inwardly, drawing down the valve B against the ten- so frequently. The many uses to which the boxes can opening through which the red L may project if too sion of a spring. This permits gasoline to pass be put will be readily apparent to all printers and long;… … electric circuit is completed between the plates by a © 1903 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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