Replaceable Parts - HP 421A Operating And Service Manual

Б MANUAL CHANGES
MODEL 427A
VOLTMETER
Manual Serial Prelixed 947-
-hp- Part No. 00427-90004
Instrument Serial Number Make Manual Changes Instrument Serial Number Make Manual Changes
Section УП, Replaceable Parts:
Delete A2R21 and A2R22.
Change -hp- Part No. of MP3 Panel: rear (Option 01 only) from 00427-00204 to 00427-00205.
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Supplement A for 00427-90004 26 February 1970