adjusted parallel to the end of the cloth, as shown in the engraving. A line is then ruled Greece City, Pa. oS by the yard stick and the measure is moved a corresponding —_———_—++ 0+. Plowing with Dynamite. distance, as indicated by the crossbars. These lines are ruled both by the yard stick and… … could. <A certain number of dynamite car- YARD STICK AND BIAS MEASURE. ass tridges are buried at regular distances in the soil, and connected together by electric wires. The explo- sion is simultaneous; and, though nothing is thrown up, the the whole operation is done very quickly. The yard stick…
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