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Scientific American, Vol. 97, No. 22 (1907) (1907)

leaf 7

An illustration from Scientific American, Vol. 97, No. 22 (1907), 1907, leaf 7
ets, are with this apparatus eliminated, a length of time correspondin.; to the end of the surface of the ground to wonderfully wrought struc- since they have not sufficient momentum when finally rearward movement of the hammer, and also to the tures formed from a special material manufactured by… … troublesome not only in the United States, but wher- drop. The groups of indicators in the respective Diagram of the Recording Zones; the Black Spots ever apples are grown. In Tasmania it is especially rings carry the customary scoring numbers. The an- Represent Individual Hammers. dreaded, and the…

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