VOLUME
2 0, N O .
11, N O V E M B E R
1948
35 A
Welch Electrical Measuring Instruments PORTABLE LABORATORY STANDARDS
• • • •
A. C. or D. C. CURRENT PROMPT DELIVERY PRECISE DEPENDABLE
Sapphire Jewels—High Carbon Tool Steel Pivots—All metal parts are rust-proof— Alnico Magnets are used in all Welch Meters.
— PANELMETERS FOR PRODUCTION
—SWITCHBOARDPOWER HOUSE METERS
MASTER TYPE W — No. 3027
Designed and manufactured in the Welch factory by skilled workmen with many years' experience in building high-grade Electrical Measuring Instruments.
Write for 48-page Meter Booklet
W. M. WELCH SCIENTIFIC COMPANY Established 1880
CHICAGO 10, I L L I N O I S , U. S. A.
1515 SEDGWICK STREET, DEPT. A
A r e You Equipping a Research or Control Laboratory? Today's industrial laboratories require efficient, labor saving equipment to meet specialized conditions. Here is a typical Hamilton assembly of standard units, designed to meet those conditions. The service outlets on the reagent rack leave the working surface unobstructed. A convenient arrangement of drawers and cupboards provide ample storage space for apparatus and materials. Sturdy steel construction — durable opaque enamel finish — long wearing soapstone top insure years of hard and efficient service. Write
for complete
details
on Hamilton
and Control Laboratory
Research
Equipment.
HAMILTON MANUFACTURING COMPANY
Two Rivers, Wisconsin
