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Scientific American, Vol. 41, No. 3 (1879) (1879)

leaf 9

An illustration from Scientific American, Vol. 41, No. 3 (1879), 1879, leaf 9
of two longitudinally slotted tubes, ' deep. Upon the walls are very rude carvings represent- transported. As this line will be used for carrying pipes each provided with a curved elliptical cap carrying an clas-| ing men, animals, arms, implements, and something that almost exclusively, two trucks… … WEMPLE’S SEWER GAS STOPPER. | ful studies of the remains of the mound builders; and Hon. kaw, this substance was found to be more efficacious than Hugh Cameron, who is described as a well informed geolo- any other. It occurs as a heavy white powder, devoid of end, and both are placed on the rod…

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