SCIENCE. 



[Vol. XIII. No. 315 





'Anderson's" 



CELEBRA.TED 



ZEPHYRS. 



"Freres Koechlin's " 



THE SPRING STYLES of these 

 celebrated, fabrics are unusually at- 

 tractive botli in design and color- 



New York. 



GOOD NEWS 

 TO L ADIES. 



^^^atest mauceme^^^r of- 

 fered. Kow'8 your time to get 

 orders for our celebrated 

 „ .;as and Coffees, and secure 

 a beautiful Gold Band or llosa 



Eose China Tea Set, Dinner Set, 



Gold Hand Moss Rose Toilet Set, 'Watch, Brass Lamp, 



or Webster's Dictionary. For full particulars address 



THK GREAT .4MBRICA1V TEA (^O., 



P. O. Box 289. 31 and S3 Vesey St., New York. 



Readers of Science 



Corresponding with or visiting Advertisers 

 will confer a great favor by mentioning the paper. 



liicemeiits in \m Goois 



Previous to the opening of our Spring 

 Novelties V7e have marked several lines of 

 desirable all-vyool fabrics as foUovirs : 



3,250 yards plain and striped Beiges, 

 Socts.; reduced from $i per yard. 



1,200 yards plain suiting, 65cts. 



2,500 yards Herring Bone Stripes at 75 

 cts., regular price, $1.25. 



1,600 yards invisible Plaids, 8Scts. per 

 yard, 54 inches vsride ; vyell vrorth $1.25. 



1,450 yards illuminated Checks, 54 inches 

 vsride, at $1 ; good value for $1.50. 



Samples of these or any other Dress 

 Goods sent promptly on application. 



JAMES McCREEHY & CO. 



BROADWAY AND ELEVENTH STREET, 



NEW YOBK. 



ENGRAVINGS. 



For the largest list ever published of en- 

 graved portraits on steel, suitable for illustrators 

 and print collectors, please send for catalogue 

 to J. C. BUTTRE, 



32 Cortlandt St.. New York 



A Useful and Handsome Present. 



Prices Reduced for the Holidays. 



Warraited 14 karat gold and to give perfect satis- 

 faction — Is pronounced by hundreds of pleased cus- 

 tomers to be the best fountain pen In the market be- 

 cause it is always ready. Writes freely and never 

 gets out of order. 



Sent by mail prepaid for $1.50, $2.00 and $2.50 

 each, according to size selected. 



These are special prices for the holidays, and this 

 offer should be availed of by all who write. 



JOHN S. HULIN, 



MTg Stationer and Steam Pi-inter. 



Wedding Invitations and Visiting 



Cards Engraved to Order. 



369 BROADWAY, N. Y. 



street. 



Near 



anklii 



The Largest, Handsomest, and Most Complete 

 Account-Book Manufactory and Printing Estab- 

 lishment for Fine Commercial "Work in New 

 York City. 



KIMBALL'S 



STRAIGHT CUT 



CIGARETTES. 



Unsurpassed in quality. 



Used by people of refined taste. 

 Highest award at Brussels, 1888. 

 The finest smoking mi.\tures are of 



Fifieen First Prize Medals, 

 WM. S. KIMBALL & CO.,' 



Rochester. N.Y 



Sprague Electric Railway and Motor Company. 



For Stationary or Railway Work, 



for IViining or Engineering 



operations the SPRAGUE IVIOTORS 



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, IVid. 



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. 



R. ELLIS & CO. 



BUSINESS, HOTEL AND PATENT BROKERS, 

 AUCTIONEERS, ETC. 



Room 46. 



JVew ITork. 



i Advhed free 0/ charge. 



TO EMPLOYERS. 



Having purchased the fixtures, good will, &c., of 

 the NEW YORK EMPLOYMENT BUREAU, 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-ciasshelp, the references 

 of whom we personally investigate before sending 

 to any one. 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 

 FOR WHICH WE MAKE NO CHARGE TO AN EM- 

 PLOYER. 



NEW YORK EMPLOYMENT BUREAU, 



(AS REOEGANIZED). 



