452 BIBLIOGRAPHY 



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 an amplifier. 



Watson, Wm. — A Text-book of Physics. 4th edition, 927 pages, S79 figures. 

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Whipple, G. C. — The Microscopy of Drinking Water. 3d ed. 409 pages, 20 

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White, Andrew Dickson. — The Warfare of Science with Theology. 2 vols. 

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WiNSLOW, Chaeies-Edwaed Amory. — Elements of Applied Microscopy. A 

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Winton, Andrew L., in collaboration with Dr.' J. Moeller. — The Microscopy 

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Wistar Institute of Anatomy and Biology, Woodland Ave. and 36th St., Phila- 

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Zahn, Joannes. — Oculus artificiahs teledioptricus, sive telescopium nora methode 

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ZEIISCHRIET F0R WISSENSCHAETLICHE MiKROSKOPIE 0ND FtJR MIKROSKOPISCHE 



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