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Scientific American, Vol. 100, No. 5 (January 1909) (1909)

leaf 11

An illustration from Scientific American, Vol. 100, No. 5 (January 1909), 1909, leaf 11
gravity of the egg. The freshest and channeled portions of the runner, while the bolt and the upper portion pins provide three widely separated points of attach- upon the surface of of the receiver and, acting ment, which securely hold the runner to the wheel. into and through the the oil, forces… … and when this well ceases to flow, a pressure gage upon the air pipe leading to it will show a pressure of say 400 pounds. Communication is now closed be- VEHICLE WHEEL SLED KUNNEK. tween the air pipe of well No. 1 and the air compres- DEVICE FOB TESTING EGGS.

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