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Scientific American, Vol. 92, No. 17 (1905) (1905)

leaf 18

An illustration from Scientific American, Vol. 92, No. 17 (1905), 1905, leaf 18
APRIL 29, I905. … BALLOONS Valve, H. Lippold ................. «- 787,627 Tamps on the face of the mould It prints numbers consecutively, dup'icates or Valve, blowing engine, J. Fawell - 787,568 using 2 to 1 of sand and cement for repeats—changed instantly oy turnmg pomter. Valve gear, A. Loomis ........... 787,580…

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