A WEEKLY ILLUSTRATED JOURNAL OF SCIENCE 



" To the solid ground 

 Of Nature trusts the mind which builds for aye." — Wordsworth. 



DR. MORTON'S 



FARADIG 

 LTERNATOR. 



Sole M(i/,ers : 



NEWTON & CO, 



3 FLEET STREET, 

 LONDON. 



New Supplementary 



List of X-Ray 

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 free on application. 



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Improved Pattern 



NERNST 



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with 



Electrical Heating 



Circuit. 



Double 



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 carrying 

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JOHN J. GRIFFIN & SONS, Ltd., 



20-26 SARDINIA STREET, LONDON, W.C. 



REYNOLDS & BRANSON, L' 



LABORATORY OUTFITTERS and 

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Enquiries 

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14 COMMERCIAL STREET. LEEDS. 



NEGRETTI & ZAMBRA'S 



ANEROID 

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NEW ILLUSTRATED AND 



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 Free by Post. 



The Watcn Size 

 Aneroid for foretelling 

 weather and measur- 

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38 



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E.G. 

 Ilianchea— 



45 Cornhill; 



129 Regent Street. 



