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

leaf 7

An illustration from Scientific American, Vol. 83, No. 16 (October 1900), 1900, leaf 7
ed in casting the gun was THE 16-INCH BIFLE AND 20-INCH SMOOTH-BOBECOMFABED.In our recent article on the new army 16-inchgnn, we described the construction of this power-ful weapon and gave some particulars of its re-markable ballistic powers. It was shown that ifthe gim were set up at the Battery,… … Ptaospborescent Bacteria. M. Raphael Dubois, in a paper readbefore the Academic des Sciences, de-scribes a series of experiments in whichhe obtains a luminous source of consid-erable intensity by the use of certain mi-crobes or photo bacteria, which have thepower of emitting light. These are…

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