NATURE [January M , 18: 



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The Mechanical Theory of Heal. 



By R. Cl.u„„, Translated by Waiter R. Browne, M.A., , ate Fel.ow of Trinitv College, Cambridge. » mo , f , t 

 A Hand-book of Double Stars, 



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Studies on Fermentation. 



The Diseases of Beer. Their Causes and the Means of Preventing them Bv L IW a x , 



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Blowpipe Analysis. 



By J. Landaue, Authorised English Edition, by James Taylor a nd WOIta, E. Kay. ,6mo. $, 5 o. 



Units ami Physical Constants. 



By J. D. Everett, M.A., D.C.L., F.R.S., etc., Profess of Nat U ra, Phi.osophv in Queen, College, Be.fast rCmo *, 



An Introduction lo the Theory of Electricity. 



Wi„, serous . ,. 1;int , us Cl „ nmjng M A ^ ^ ^ ^^ ^ ^^ ^ 



Phamiacographia. 



The Metaphysics of the School. 



The Electrical Researches of ,he Hon. Henry Cavendish, F.R.s. 



Written better, i 77 x and' t 7 8, Clark MaxweU. F.R.S. 8vo, $5. 



Hydrodynamics : 



A Treatise on the Mathematical The, s Bv ,..,.,. , . ,, , „ 



the I B5 Horace Umb " MA • Profe ^ »' Mathematics it, 



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