Bole NCE 
NEw SERIES. SINGLE CoPiEs, 15 cts. 
VOL. XIII. No. 325. FRIDAY, Marcu 22, 1901. ANNUAL SUBeCRELION, $5.00. 
(ABSOLUTE) 
A chemically pure synthetic sub- 
stitute for absolute ALCOHOL ~ 
PURER STRONGER MORE STABLE CHEAPER 
YNTHOL may be used for every purpose for which alcohol is used, except 
for internal consumption. Being chemically pure it does not have as much 
odor as absolute alcohol from grain or wood. It is perfectly free from color, 
is non-itritant to eyes or skin and has from ten to fifteen per cent. more solvent 
powet than ordinary alcohol... 29. 2 3 ee wee ee ee tw 
PRICES: 
1 pint, net 
1 gallon, net 
1 bbl. of 50 gallons, per gallon, net, 
As a killing, fixing, or hardening agent it is in every tespect equal to the best absolute alcohol and 
can be used as a substitute for it in the pteparation of stains, reagents, etc. We offer a special low 
ptice on Synthol in barrel lots FOR MUSEUM PURPOSES. As a preservative it is supetiot to 
any alcohol. Atcohol becomes tinged with color on exposure to light. Synthol retains its absolute 
colorlessness under all conditions. Sample supplied free to laboratories. . . + « + + + + « + 
MANUFACTURED EXCLUSIVELY FOR 
BAUSCH & LOMB OPTICAL CO. 
CHICAGO ROCHESTER, N. Y. NEW YORK 
