HP 400A Operating And Servicing Manual

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OPERATING AND SERVICING
MANUAL
MODEL 400A
VACUUM TUBE VOLTMETER
ALL SERIAL NUMBERS
THIS IS A COMBINED OPERATION AND SERVICE
MANUAL FOR
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MODEL 400A VOLTMETER, ALL
SERIAL NUMBERS, THIS MANUAL CONTAINS COM­
PLETE OPERATION AND SERVICING INSTRUCTIONS
FOR THESE VOLTMETERS AND SHOULD BE USED
IN PLACE OF THE MANUAL ORIGINALLY SUPPLIED
WITH EACH INSTRUMENT,
Copyright HEWLETT-PACKARD COMPANY 1960
1501 PAGE Mll..L ROAD, PALO ALTO, CALIFORNlA, U.S.A.
Printed 4/60