Notiee to Header.— When you finish reading 

 this magazine, place a 1 cent stamp on this notice* 

 mail the magazine, and it will be placed in the 

 hands of our soldiers or sailors destined to pro- 

 ceed overseas. No wrapping— No Address. A» 

 3. Bttrleaon, Postmaster-General, 



SCIENCE 



NxwrBi&iu 



Vol. XLVU No. 1220 



Friday, May 17, 1918 



BiNQLX Copies, 15 (Ji». 

 ANiTDiL SnaacBipnoN, K.M 



'otc Ca^^mti& cm 



The only American- 

 made Reagent 

 Bottle with an 



ACID-PROOF 

 INDESTRUCTIBLE 

 BURNED-IN 

 ENAMEL LABEL 



' n you want a record of some information about your 

 reaeenta, use Gramercy Reagent Bottles and write your 

 notes with lead pencil or ink on the labels. These mem- 

 oranda may be readily erased. No need to use paper 

 labels and soak them off when they have .become unsightly 

 or have served their purpose 



Gramercy Reagent Bott Jelabels have rarge, clear, black 

 letters displayed on a flat, white background. The 

 enamel label, burned in by a patented process, is acid* 

 proof, does not chip, and is immune to damage from con- 

 tact with hard substances. 



"Gramercy Reagent Bottles are strong and durable. At 

 the same time tbey have a neat, dignifie appearance,!and. 



unlike the fancy bottles in barber shops and drug stores 



they help to create ascientifio atmosphere in the laboratory 



OBDEB FBOU TOUB APPABATCS D^AUEB 



Already 112 different labels have been prepare d . Com- 

 plete sets of 40 bottles, siies and namee similar to our 

 No. 970 on page 64 of catalog "C," can be shipped 

 immediately. 



Capacity, 



a 



16 



No, 919, narrow moutti, each 

 No. 922, nanow month, each 

 No. 93«, wide moath, each 



fO.50 iOM SO. SO 



32 



}0.9S 

 1.00 

 1.00 



ot' U fallu iactlptitt, ccniclnint Hilt o/ acalMU 'abtlt, ttaJln farnlihed on refutit, Wrili a> fat • ' 



MANUFACTUnBDUV 



EIMER AND AMEND 



(Foi-NDEU 18.11) 



NE>V VORK 



