Your best assurance of QUALITY and QUANTITY PRODUCTION is

Nov 4, 2010 - Advertisements that appeared within the print issues of Chem. Eng. News have been included in the C&EN Archives to provide a ...
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Your best assurance of QUALITY and QUANTITY is

Instaneous (Electronic Principle)

TEMPERATURE CONTROL Wheelco

. . . has b e e n thoroughly proved in practically every

CAPACITROL

industrial application of indicating and controlling temperature

power, voltage, current, pressure,

s p e e d and similar factors to provide the fastest and most accurate control known. The famous "Electronic Principle" control system effects instantaneous and complete control action with the slightest deviation of the controlled factor.

Interchangeability of all com-

ponent parts for individual checking is an added feature of the Capacitrol found in no other make controller.

Interchangeable measuring section places choice of scale range

or type of temperature measuring system at the discretion of the user.

The Wheelco

Capacitrol is available with Proportioning Control, Chronotrol (Program Control) or a combination of both integrally built into its case. Write for Bulletin D.2 or complete information.

Wheelco Instruments Co. 851 W. HARRISON STREET

Originator VOLUME

of

2 1 , N O . 20. . O C T O B E R

CHICAGO 7, ILLINOIS

"ElectronicPrinciple"Temperature 2 5, 1 9 4 3

1685