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Scientific American, Vol. 40, No. 21 (May 1879) (1879)

leaf 5

An illustration from Scientific American, Vol. 40, No. 21 (May 1879), 1879, leaf 5
ed in any position. this invention lies in an arrangement of parts for regulating Dr. Isaac Norris, Secretary of the Franklin Institute: The magnetic adjustment may be applied to ordinary the volume and force of the water allowed to act on the In reply to your favor of the 10th, asking for a note… … have been described in the Principia of Sir Isaac Newton, Mr. Edward Atkinson, one of the shrewdest business men book ii., prop, xxiii., scholium to theorem xviii, where T DOWLING'S IMPROVES MICROPHONE. of New England, has lately made a trip through the cotton find as follows: States to investigate…

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