IV 



SCiENClE. 



[Vol. Xlil. No. 317 



WHITE~GOODS. 



PRINTED DIMITYS. 



White and Colored Embroidered Piques, 



Laces, Stripe iVlulls. 



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-title, 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. 



gip N. D. C, HODGES, 



47 Lafayette Place, N. Y. 



The Novelty this Spring for La- 

 dies' and Misses' Tennis Suits and 

 for Gentlemen's Tennis Shirts is a 

 silk fabric that can be washed 

 without injury to labric or color. 

 This silk is made 34 and 32 inches 

 wide, in plain colors, in delicate 

 stripes and checks, $1 and $1.50 

 per yard. 



For such as prefer woolen mate- 

 rials we also have several lines of 

 the finest Scotch and French Flan- 

 nels from 35 to 60 cents per yard. 



JAMES McCREERYfi CO. 



BROADWAY AND ELEVENTH ST., 



NEW YORK CITY. 



COOD l^iEWS 

 TO L ADIES. 



Greatest m^ucemen'ts ever of- 

 fered. Kow'8 your time to get 

 up orders for our celebrated 

 Teas and Coffees, and secure 

 a beautiful Gold Band or Moss 

 Rose China Tea Set, Dinner Set, 

 Rose Toilet Set, "Watch, Brass Lamp, 

 Dictionary. For full particulars addreae 

 THIS GREAT AMBRICAIV TEA TO.. 

 ^ ■""" "^^ 31 and 33 Vesey St., New York. 



Readers of Science 



CorrespoJidmg or visithig with Adi/er- 

 tisers, will conifer a greal Java?- byjnention- 

 ing this paper. 



Brokers and Auctioneers. 



R. ELLIS & CO. 



BUSINESS, HOTEL AND PATENT BROKERS, 

 ADCTIONEERS, ETC. 



JVo. 176 BHO^nn^^T', 

 Room 46. JVew JTork 



Clients Advised /ree o/ charge. 



J. p. TRAVER & CO., 



General Auctioneers, 



Real Estate and Business Brokers, 



OFFICE, 23 PARK ROW, 



OppOFlTE Post Office, (Rooms 14 & 15.) New York. 



Mortgages Foreclosed. Cash Advanced on Consignments, 



KIMBALL'S 



STRAIGHT CUT 



CIGARETTES. 



Unsurpassed in quality. 



Used by people of refined taste. 

 Highest award at Brussels, 1888. 

 The finest smoking mixtures are of 



Fifteen First Prize Medals. 

 WM. S. KIMBALL & CO , 



Rochester. N.Y. 



Sprague Electric Railway and Motor Company. 



For Stationary or Railwav Work, 



for Mining or Engineering 



operations theSPRAGUEIVIOTORS 



are unexcelled. 



Estimates given for complete 



Power Installations- 

 Send for Circulars and full 

 ^ Information. 



16 and 18 BROAD STREET, NEW YORK. 



ELECTRICAL TESTING BUREAU, 



Johns Hopkins University, Baltimore, Md, 



Resistance Coils and Boxes Compared. 



Am meters and Volt meters calibrated. 



Condensers standardized. 



Primary and Secondary Batteries Tested. 



Efficiency of Dynamos and Motors Deter- 

 mined. 



Insulation of Cables and Wires Tested. 



Etc., Etc. 



Circulars describing Methods Used, Prices, 

 Etc., sent on Application. 



Address as above. 



Insurance. 



DELAY IS DANGEROUS. 



We call attention to the new form of Accident (indem- 

 nity) Insurance policies, which are written by the Mer- 

 chant's Casualty Insurance Association, 21 Park Kow. 

 New York City, John S. Purdy, Secretary. These policies 

 cover weekly allowances of from $10 to J25. according to 

 occupation, at a cost of only $6 a year exclusive of the 

 cost to join, which is $5 payable once only. The public, 

 as a rule, carry life insurance, and the ordinai;y accident 

 policies issued by companies, paying a sum in case of 

 death, is not so desirable as one of these indemnity policies 

 in case of accidents, which are so plentiful in this fast age 

 with its railroad horrors, fast driving, electric wires and 

 other countless forms o dangerto which the public is con- 

 stantly exposed. The fact of ihe Association having no 

 unpaid claims, and its having just passed an examination 

 by the Insurance Department of New York State, shows 

 that the management is liberal with its policy-holders 

 and conservative in its action. The Association also de- 

 sires to secure energr tic Agents in every village and town, 

 to whom territory and favorable terms will be given. 



TO EMPLOYERS. 



HavlDK purchased the fixtures, pood will, &c., of 

 the NEW YORK EMPLOYMENT BUKEATJ. at No. 

 681 BROADWAY, in this city, we request the pat- 

 ronage of the public In the future. We desire to 

 fill a long-felt want for an employment bureau, 

 where only the best grade of male help is dealt in, 

 and it is our aim to send ONLY such help as is or- 

 dered in every instance, and our patrons can rely 

 on us to send strictly first-class help, the references 

 of whom we perj-onally Investigate before sending 

 to any oue. We simply request a trial, and are con- 

 vinced that we will give satisfaction In every case. 

 We have on hand help in every branch, which we 

 can send upon receipt of telegram or letter, AND 

 FOI^ WHIuH WE MAKE NO CHARGE TO AN EM- 

 PLOYER. 



NEW YORK EMPLOYMENT BUREAU, 



(AS EEOKGANIZKD). 



