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Scientific American, Vol. 80, No. 13 (1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 80, No. 13 (1899), 1899, leaf 10
as also been ascertained that tract the oral cavity. But no such direct applica- is accomplished by a rhythmic motion, plainly visible, it isnecessary to have the negative lens fitted toand cor- the nature of which, however, has never been accu- tion of muscular force is needed to open and close… … a telephotograph, and Public Library during it is well enough to give the present year, and a little more time than $500,000 thereof is now the rule calls for. immediately available, The principles under- by reason of an appro- lying the use of the priation made March camera for this kind of 17,…

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