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Scientific American, Vol. 37, No. 6 (August 1877) (1877)
leaf 4
is that at the accessible, and not likely to get outer extremity the thermome- out of order. In these respects ter does not show any excep- the little pump is meritorious, tional temperature, because the and we commend it to the atten- thermometer does not stop the tion of our readers. vibration.… … of dextrin, with sugar mixed. LEUPOLDS IMPROVED DONKEY PUMP. factory is about 5 cents a pound. © 1877 SCIENTIFIC AMERICAN, INCIron · Steel · Improved · Consists · Patents · Scientific American · Supplement · Steel wire · Single copies · American supplement · Wrought iron · Toothed bar · Suspension bridge · Address munn · Visual purple · Trade catalogs
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