50 A
ANALYTICAL
CHEMISTRY
BAUSCH & LOMB
LABROSCOPES THE WORLD'S FINEST LABORATORY MICROSCOPES Set higher standards for comfort, accuracy and speed in microscopy with new "YearsAhead" advanced design features. • New Dua-rol LOW P O S I T I O N BallBearing and Roller Fine Adjustment— critical focus, easier and faster; less w e a r , l o n g e r life. N e w Koto-sphere BALL-BEARING Nosepiece—and most accurate parcentricity and smoothest rotation ever. N e w Mechanical Stage with LOW P O S I T I O N Controls for comfortable operation; 10X Achromatic Objective; N e w type Variable Focus Condenser for low-cost models; N e w attachable Integral Illuminator. AND—many other new and service-proved advantages exclusive with or pioneered by Bausch & Lomb . . . further proof that the world's finest instruments are made in America— by Bausch & Lomb. CLIP AND MAIL THIS COUPON TODAY
Write for a demonstration and for complete information on this new l i n e of m i c r o s c o p e s . Bausch & Lomb Optical Co., 6 0 9 - 9 St. Paul St., Rochester 2, N. Y.
BAUSCH & LOMB OPTICAL CO. 609-9 St. Paul St., Rochester 2, N.Y. Please send me complete information on the newB&L Dynoptic Labroscopes. | | I would like a demonstration. NAME SCHOOL OR FIRM ADDRESS CITY
_STATE_
