PLANCHETMASTER
INSTRUMENT & DEVELOPMENT PRODUCTS CO. 355 W. 109th Place Chicago 28, Illinois
P-312
• FULLY AUTOMATIC • INTEGRATED SYSTEM • COMPLETELY TRANSISTORIZED • COUNTS IN 2π OR 4π MODES • WINDOW OR WINDOWLESS GAS FLOW • BUILT IN PRINTING TIMER • ANTI-COINCIDENCE GUARD COUNTER & CIRCUITRY AVAILABLE
NEW AUTOMATIC SAMPLE CHANGING SYSTEM
• ACCEPTS 4π SHIELDING
SALES OFFICES MIDWEST & EAST Charles Walsh Asso. P. O. Box 244, Deerfield, III. ID 3-2800 173 Lake Ave., Greenwich, Conn. TO 9-1015 P. O. Box 5 4 1 , Oak Ridge, Tenn. 482-2411
WESTERN STATES CoaS ' Scientific Sales & 376-60th St., Oakland, Calif. 11168 Santa Monica Blvd., Los Angeles, Calif.
Servi
« c°OL 4-2662 478-4396
• ACCEPTS SCINTILLATION DETECTORS • BASIC SYSTEM UNDER $2,500
Circle No. 172 on Readers' Service Card
GLASS ABSORPTION
CELLS OF FINE
MADE BY
Klett-Summerson Photoelectric Colorimeters Colorimeters - Nephelometers - Fluorimeters Bio-Colorimeters - Comparators - Glass Stand ards - Glass Cell - Klett Reagents
KLETT
Circle No. 124 on Readers' Service Card 92 A
.
ANALYTICAL CHEMISTRY
QUALITY
KLETT
MANUFACTURING CO. 179 E A S T 8 7 T H STREET NEW Y O R K Ν. Υ.