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Scientific American, Vol. 66, No. 15 (1892) (1892)

leaf 3

An illustration from Scientific American, Vol. 66, No. 15 (1892), 1892, leaf 3
ual way, and at its rear it with which it can be used for just the period required. side as the convex meniscus gives place to a concave is marked to serve as a wind gauge, indicating the ex- In addition there is a great saving of labor in the one. tent to which a supplemental base is moved to one… … be used as sights, gauge marks on each side of the leaf AN IMPROVED CRUDE OIL BURNER. for which there appears to be a demand, indicating the range of the rifle when either peep hole what is the best method to pursue in order to put them work around the boilers and furnaces can be kept ina is used.…

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