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Scientific American, Vol. 83, No. 16 (1900) (1900)

leaf 7

An illustration from Scientific American, Vol. 83, No. 16 (1900), 1900, leaf 7
ws- smaller bores, The 20-inch Rodman closely resembles paper type may be'read. The light has scarcely any for working backward. A lever actuates in a slotted calorific effect, and the properties of its chemical rays sector, for the purpose of changing the scarifier from the forward to the backward… … of the mineral compounds which enter into the to a uniform depth throughout the whole section, which desideratum it is impossible to obtain by composition of such organisms. The use of pep- means of the handpick. tone is attended with some difficulty, as putre- faction is likely to set in and…

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