SCIENCE 
NEw SERIES SINGLE Corizs, 15 Cm. 
VoL. XXXV. No. 908 Fripay, May 24, 1912 ANNUAL SUBSCRIPTION, $5.00 
Bausch omb 
Microscopes 
New Medel F was designed 
for general laboratory work in 
school and college. It com- 
bines optical efficiency and 
practical utility with moder- 
ate price. Ithas alongcurved 
handle arm with a large stage, 
providing thus unusual space 
for manipulation of the object. 
All bearings and fine adjust- 
ment parts are carefully protec- 
ted and thoroughly dust-proof. 
The Superior Quality Ample room for the finger between’ at : ( 
of Bausch & Lomb len- 
ses, microscopes, field the edge of the fine adjustment 
glasses, projection ap- 
ee epee head and the arm. 
Tales ae Complete description in circular 15A--which 
Experience. will be sent on request 
Bausch £3 Jomb Optical ©. 
NEW YORK WASHINGTON CHICAGO SAN FRANCISCO 
LONDON ROCHESTER. NY. FRANKFORT 
