Notice to Reader.—When you finish reading 
this magazine, place a 1 cent stamp on this notice, 
mail the magazine, andit will be placedin the 
hands of our soldiers or sailors destined to pro- 
ceed overseas. No wrapping--No —_— A. 
S. Burleson, Postmaster-General 
SCIENCE 
Nzw SzRins 
Vout, XLVIII No. 1233 rime;  Fetpay, Ava AvuGUST 16, 1918 ——Ratore-eaagcuirnos, $5.00 
rue Seah St 
\. oF fe é j 4 
ia ¢ ate . Fs 
¥ i a j i oO i " 
The only American-_ }} N. . | 
made Reagent oe 4 
Bottle with an ay i 2 Sei a 
ACID-PROOF aR 0 ff pe: 
INDESTRUCTIBLE 
BURNED-IN ah ae : 
ENAMEL LABEL {ee ee Cas 
regent an Gramorey Wangat Bote and wre your Pe oe ete atlSe attocepbere in the laboratory 
oranda may be readily erased. No need to use paper ORDER FROM YOUR APPARATUS DEALER 
labels tnd v0 soak them off whenjthey have become unsightly Already 112 different labels have been prepared Com- 
or_have served their purpose lete sets vol 40 bottles, sizes and names similar to our 
Rio. 970 970  gnepaee 64 of catalog “C,;” can be shipped 
Gramercy Reagent Bottle gers have large, clear, black immediately 
letters disp! ae eeeere on a flat, white background. The = — 
urned in ae & patented — is acid- Capacity, oz. 4 8 16 32 
ar af oe Age veel is immune to bs f 
tact with hard substances No. 918, narrow mouth, each - $0.50 $0.60 $0.80 $0.95 
Gramercy Reagent Bottles are strong and durable. At No. 922, narrow mouth, each - 56 65 85 1.00 
the same time they have a neat, dignified ed appearance, and, No. 936, wide mouth, each - 55 05 «= «B52 1.00 
Booklet fully descriptive, containing lists of available Jabels, gladly furnished on request. Wrile as for a copy 
MANUFACTURED BY 
r EIMER ann AMEND 
(FOUNDED 1851) 
NEW YORE 
