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Scientific American, Vol. 4b, No. 7 (February 1861) (1861)

leaf 7

An illustration from Scientific American, Vol. 4b, No. 7 (February 1861), 1861, leaf 7
nts being slot is cut through the flange, and opposite this is sphere which is too dry. We have repeatedly had oc- used to keep the rods level and in a straight line. The secured a small steel spring, i, which, as the end of casion to publish the established fact, that the quantity rod used for… … tion with furnaces, and now illustrated it would seem PAINE'S IMPROVED SURVEYOR'S MEASURE AND TACKLE CASE present another. This plan that the advantages of the is applicable only in connec- chain are all obtained, while the most serious objections to tion with horizontal registers, but with them it…

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