SCIENCE-ADVERTISEMENTS 



"Sanitats" Porcelain! 



(Registered Name) 



from the Porcelain Works of 



W. HALDENWANQER, SPANDAU near BERLIN 



can be obtained from all dealers in chemical apparatus 



Please take notice 

 " Blue Arrow" 



V 



of my Trade-Mark 

 under the enamel 



Natural History 



Preparations, Collections 

 and Models 



of acknowledged first-rate style at very low 



prices for Museums and Colleges 



Outfit and Completion of Natural History 



Cabinets. Own Preparation works 



Catalogues free of charge 



Dr. Schlijter's Natural Science 

 Establishment 



Halle on S. 



GERMANY 



ROMEIKE'S 



PRESS CLIPPINGS 



are now an absolute necessity for every scientific man. 

 By methodical searching through the most important 

 papers and periodicals published in this country and 

 abroad we are able to supply yon at short notice with 

 information on any subject which perhaps you would 

 be unable to find yourself in libraries or reference 

 books after spending days or even weeks at such a 

 task. Write for further information. 



HENRY ROMEIKE, Inc. 



1 06- n Seventh Avenue New York City 



The Jones 



FILING 

 BOXES 



Are Made 

 In Any Size 



THE JESSE JONES PAPER BOX CO. 



613-615 Commerce Street PHILADELPHIA 



Where Is That Pamphlet Now? 



How many minutes a day do you lose hunting for an 

 important article — one that you must find, too — among a 

 mass of unclassified papers ? 



Keep your documents in order. One of the JONES 

 FILING BOXES will perform this service for you. 



Mail the coupon below, filled in clearly, for our illustrated 

 catalog showing a number of styles. 



JESSE JONES PAPER BOX CO.. 



613-615 Commerce St., Philadelphia 



Gentlemen: — Please send me your booklet 

 givins full information about Jease Jonea Fil* 

 ing Boxes. 



Name 



Address 



