COUNTERCURRENT FRACTIONATOR
NEW VERTICAL GEL ELECTROPHORESIS APPARATUS
EC470 VERTICAL GEL ELECTROPHORESIS APPARATUS, 16 cm χ 16 cm χ 22 cm. Dual cooling plates.
EC520 COUNTERCURRENT FRACTIONATOR with automatic drive, 2 racks of 100 20-ml tubes on base 24" χ 34"
Send for further information and detailed specifications
E-C APPARATUS COMPANY,
538 WALNUT LANE, SWARTHMORE, PA.
Circle No. 131 on Readers' Service Card
TRI-R £IedAomc THERMOMETER THERMISTOR
For complete catalog, Write Dept.: AC-10
TYPE
• RAPID
read temperature in seconds
• ACCURATE
— ¥2% of scale range
• DIRECT READING
in °C. and °F.
• REMOTE READING
leads to 1000 feet
• LOW COST
priced from $72.00
• PROBES
interchangeable and special human, animal, laboratory use
• RANGES
from—35 to + I 5 0 ° C .
• STABLE
mercury cell battery models regulated line operated models
See us at Booth 14 Ν. Ι. Η. Show
TRI-R INSTRUMENTS Developers of Electronic and Mechanical Instruments for Scientific Research
144-13 JAMAICA AVENUE, JAMAICA 3 5 , Ν. Υ. Circle No. 157 an Readers' Service Card 136 A
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ANALYTICAL CHEMISTRY