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Scientific American, Vol. 12, No. 26 (1865) (1865)

leaf 3

An illustration from Scientific American, Vol. 12, No. 26 (1865), 1865, leaf 3
laims that it is valuable and useful novelty. It was patented on an efficient and useful substitute for gearing; that it all respects, desirable. The handle, A, is station- is wholly noiseless, may be used at any angle, re- | Jan. 31, 1865, by Thomas Welham, of Baltimore, Md. For further… … tained. the pump and to flow out to the ex’ This invention was patented by WELHAM’S ROTARY COUNTERSINK. tent of three pailsful. As soon as Thomas Welham, on Jan. 31, 1865; one has slaked its thirst, another tion; for further information address Thomas Wel- for further information address him at 100…

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