Jui.v 19, 1889 



SCIENCE. 



C. & C. ELECTRIC MOTOR COMPANY. 



Electric Motors 



FOR 



Arc and Incandescent 

 Circuits, Most Eco- 

 nomical Motor on 

 the Market. 

 Regulation Perfect. 



Motors Designed for all 

 Power Purposes. 



OFFICE and MANUFACTORY: 



402 and 404 Greenwich Street, Nev, 

 York Citv. 



^ New England Office, 19 Pearl St,, Boston 



Philadelphia Office, 301 Arch St. 



Western Office, 139-141 Adams Street 

 Chicago, 



Southern Office, 25 Carondelet Street, 

 New Orleans, 



The Mutual Life Insurance Company 



OF NEW YOHK 



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 188 



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 S 77275,301 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 1,645,622 1 1 



A gain in new business of 335756,792 85 



A gain of risks in force 54,496,25 1 85 



The Mutual Life Insurance Company 



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



Electric Current Counter 



PATENTED. 

 Oold lUedal Awarded at Melhoiirne Exhibition, 18§§-§9, 



The most reliable Electric Meter ever invented. Guaranty ed 

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

 three-wire and alternating systenn, in sizes from 15 up to any 

 climber of amperes. 



Adopted by Sieiueilfii &, Halskc, Berlin, Germany; Edi- 

 son Company, Berlin, Germany; municipal Electric 

 Lig^hting Works, Berlin, Germany. 



In use by European Central Stationi? measuring 60 million watts. 

 UnquoBlioned saperiorily. Ind spensable for Central Slation 

 work. Amount of current consumed may be ascertained at a 

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

 gas meter dials. 



FOK PRICES AND PABTICULABS, ADDRESS : 



SOLE MANUFACTURE B AND IMPORTEK, 



21 BEEKMAN STREET, NEW YORK. 



GRAVITY 



DROP 



ANNUNCIATORS. 



DON'T FOKGET THE 



DUST-PROOF BELLS. 



HAZAZER & STANLEY, 



32 Frankfort Street, N Y. 



Readers of Science 



Corresponding with or zdsiting Advertisers 

 will confer a great favor by mentioning tlu paper. 



Wants. 



A YOUNG MAN can have lucralive engage- 

 menl, 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. 



REMOVAL. 



After Monday, July i, 1889. my dental office will be M 

 6 Somerset Street ( ist left from Beacon), until further 

 notice. My Flesh-brushes will be for sale there. All in- 

 formation in regard to the Flesh-brushes, also instruc- 

 tions for using the same, can be obtained at the new 

 office, from g 30 to 10 30 a m., and from 4 to s f..M. 

 Communications by mail promptly rejilied 1 



Boston, Mass. ^" " 



GEO. F WATERS. 



Schools. 



CoNNECTict-T, New H.wen, 



MRS. CADY'SSCHOOI, FOR YOUNG LADIES. 

 Prepares for Smith and Wellesley, and admits to 

 Vassar by Certificate. Circulars. Early application 

 necessarj'. 



M 



Michigan. Houghton. 

 ICHIGAX MINING SCHOOL. — For CataloKues 

 address M. E. Wadsworth, A M.. Ph.D., Director. 



