Established 1830. 
CATALOGUES FREE. 
ROSS & GO. 
Manufacturers of Celebrated 
PHOTOGRAPHIC LENSES, 
With many recent improvements. Great variety. 
PHOTOGRAPHIC APPARATUS 
Of the most reliable kind. Inspection invited. 
SPECIAL HAND CAMERAS, 
For Travellers in every climate. Have no rivals. 
FIELD & MARINE GLASSES . 
Finest quality at Low Prices. Splendid value. 
SPORTING TELESCOPES. 
Used all over the World by Sportsmen and Officers. 
ANEROID BAROMETERS. 
New form, mounted in Aluminium, highly recommended. 
COMPASSES & THERMOMETERS. 
Special Sets. Mounted in Travelling Cases. 
SURVEYING INSTRUMENTS 
Of every kind, at Moderate Prices. 
DRAWING INSTRUMENTS, 
For Schools, Colleges, and every purpose. 
MICROSCOPES & APPARATUS. 
Special Series of Stands for Students. 
SPECTACLES & EYE-GLASSES. 
Instructions for self-testing free by post. 
v &C. &C. 
onco O OH in. NEW bond st. 
nUuOuUUi LONDON, W. 
