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Scientific American, Vol. 91, No. 14 (October 1904) (1904)

leaf 10

An illustration from Scientific American, Vol. 91, No. 14 (October 1904), 1904, leaf 10
lf. On death theybecome the crystals that we know, ordinary mineralcrystals. The Living Crystal. The researches of Dr. Ottovon Schrbn, Prof, of Patho-logical Anatomy in the Univer-sity of Naples, says a writer inKnowledge and Scientific News,gave meaning some ten yearsago to the expression the… … BIRDS-EYE PHOTOGRAPH OF THE EGYPTIAN PYRAMIDS TAKEN FROM A BALLOON Scrap leather is the latest substitute for wood inthe manufacture of railroad ties. This process hasbeen worked out by F. W. Dun-nell, of West Warren, Mass.,who has had occasion to givethe subject of paper makingsome study, and the…

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