20 A
ANALYTICAL
CHEMISTRY
ULTRA-SONORATORS Zn exfd&tùty tk& applications of
The ultrasonic energy is trans mitted through the oil in the bath; sample is usually placed in a test tube or small flask.
INDUSTRIAL AGRICULTURAL > BIOLOGICAL )
High f r e q u e n c y Energy
ULTRA-S0N0RAT0R, Senior Model The Ultra-Sonorator transforms electrical energy from any 110 volt, 50-60 cycle A.C. line to about 500 watts of radio-frequency energy that can be applied to the material under study. The frequencies attainable with the Senior Model include 400 kc., 700 k c , 1000 kc. and 1500 kc. Frequency changing is accomplished by switching transducer j a r s ; all four furnished are equipped with polar ized plugs which select the corresponding frequency in the generator unit.
• FOUR FREQUENCIES • PRODUCES 5 0 0 WATTS • SIMPLIFIED OPERATION
Price, complete, $2,500.00
ULTRA-SONORATOR, Table
• 4 0 0 KILOCYCLE FREQUENCY • PRODUCES 5 0 0 WATTS • ONLY TWO CONTROLS
Model
The Table Model Ultra-Sonorator, left, is designed primarily for experiments at the single frequency (400 kc.) deemed suitable for initial work in ultrasonics. Using 110 volt, · 50-60 cycle A.C, about 500 watts of r a d i o - f r e q u e n c y energy are delivered through the transducer crystal. The complete Table Model consists of two units : one unit housing the generator and controls, the second unit holds the crystalbath assembly in place. Price, complete, $1,075.00
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Manufactured by Crystal Research Laboratories and Distributed by: —
Write for free booklet concerning the field of Ultrasonics and Ultra-Sonorators Headquarters
FISHER SCIENTIFIC CO.
for Laboratory
Supplies
EIMER AND AMEND
717 Forbes St., Pittsburgh ( 1 9 , ) Pa. *Φ&* Greenwich and Morton Streets 2 I Ç 9 Locust St., S t . Louis ( 3 ) , M o . New York ( 1 4 ) , N e w York In Canada: Fisher Scientific C o . , Ltd., 9 0 4 St. James Street, Montreal, Quebec
