SCIENCE. 



[Vol. XIV. No. 339 



DAFT ELECTRIC LIGHT COMPANY. 



Power Stations. , «^\ " T» Electric Railways. 



Stationary Motors \|>|^ 

 '2 to 100 H.P. 



Car Motors 15 to 

 250 H.P. 



Executive Office, 1 15 Broadway, N.Y. 



FACTORY, JERSEY CITY, N.J. .ease M.^on science, 



The Mutual Life Insurance Company 



OF NEW YORK. 



RICHARD A. McCURDY, PRESIDENT. 



- $126,082,15356 



ASSETS 



The Largest and best Life Insurance Company in the World. 



The New Business of the Mutual Life Insurance Company in 1888 



Exceeded $103,000,000. 



Its Business shows the Greatest Comparative Gain made by 

 any Company during the past year including 



A gain in assets of 8 7,275,301 68 



A gain in income of 3,096,010 06 



A gain in new premiums of 2,333,406 00 



A gain in surplus of 1,645,^22 11 



A gain in new business of 33)756,792 85 



A gain of risks in force 54,496,251 85 



The Mutual Life Insurance Company 



Has Paid to Policy-holders since Organization $272,481,839 82. 



Electric Current Counter 



PATENTED. 

 Oold Medal Awarded at Melbourne Exhibition, 1888-89. 



The most reliable Electric Meter ever invented. Guarantc ed 

 correct for small and large currents. Built for direct two-wire, 

 three-wire, five-wire, etc., and alternating systems, in sizes from 

 ^ 15 np to any number of amperes. 



Adopted by Siemens & Halske, Berlin, Germany; Edi- 

 son Company, Berlin, Germany; Mnnicipal Electric 

 Eigllting Works, Berlin, Germany. 



In use by European Central Stations measuring 60 million watts. 

 Unquestioned superiority. Indispensable for Central Station 

 work. Amount of current consumed may be ascertained at a 

 glance, the dials being constructed on the same principle as the 

 gas meter dials. 



FOE PBIOES AND PAETICULAES, ADDEESS : 



SOLE MANUFACTURER AND IMPORTER, 



2 1 BEEKMAN STREET, NEW YORK. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 



postpaid on receipt of price. 



Half Morocco - 75 cents. 



This binder is strong, durable and 

 elegant, has gilt side-tide, and allows 

 the opening of the pages perfectly 

 flat. Any number can be taken out 

 or replaced without disturbing the 

 others, and the papers are not muti- 

 lated for subsequent permanent bind- 

 ing. Filed in this binder. Science is 

 always convenient for reference. 



N. D. C, HODGES, 



47 Lafayette Place, N. Y. 



Mineral Lands. 



MANGANESE DEPOSITS. —A rich de- 

 post of Manganese is for sale. Apply to H. 

 N., care of Science, 47 Lafayette Place, New 

 York. 



GOLD-BEARING QUARTZ VEINS.— 

 Any one wishing to engage in gold mining will 

 learn of a newly discovered vein by applying to 

 H N., care of Science, 47 Lafayette Place, New 

 York. 



RED SLATE. — A valuable deposit of red 

 slate fer sale. Apply to H. N., care of Science, 

 47 Lafayette Place, New York. 



Wants. 



A YOUNG MAN can have lucrative engage- 

 ment, not only a fixed salary, but accord- 

 ing to his work accomplished in travelling for 

 Science. A personal interview invited. 

 N. D. C. HODGES, 



47 Lafayette Place, New York. 



lyr ECHANICIAN.— An optician and maker 

 ■'-'■'- of instruments of precision of experience 

 would be glad of a position where his skill 

 would be valued in connection with some higher 

 educational institution. Address G. J., care of 

 Science, 47 Lafayette Place, New York. 



A HARVARD GRADUATE ('89) desires during the 

 ler to teach boys natural history by ex- 

 into the country, or to secure employment in some 

 geological field work. Refers to Professors Shaler and 

 Davis. Address Box no, Newton, Mass. 



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