HOUSE ESTABLISHED 1836. 
, Jr. & GO., 
No. 80 W. Fourth St., CINCINNATI, O., 
Removed from their old stand, "S. W. Cor. Fifth & Race, 
OPTICIANS, 
Importers and Manufacturers of 
Optical, Mathematical ant PMlo&opMcal Instruments, 
Keep constantly on hand Opera and Field Glasses, Telescopes, Miei-oseopes and 
Microscopic Apparatus, Drawing Instruments and Material, Stereopticans and Views, 
Thermometers for domestic, medical and manufacturing uses, Hydrometers, Medical 
Batteries, Chemical Apparatus and Chemical Glassware. 
SPECTACLES AJVT> 
In large variety, embracing all improved patterns, adjusted to the condition of sight 
with scientific accuracy. Correspondence solicited. Catalogues by mail free. 
BIRD CAGES 
and add kinds of 
WIRE WORK 
A. T 
m 
<iSs 
102 Walnut Street, 
BELOW THIRD ST., CINCINNATI. 
All the line work of the Cincinnati Zoological Garden was 
manufactured by this house. 
