Perkin Elmer Coleman-Hitachi model 124 UV-Vis Spectrophotometer
Electronic Schematic

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Note: this schematic comes from a manual entitled and labeled as follows:

Operating Directions for the MODEL 124 DOUBLE-BEAM GRATING SPECTROPHOTOMETER
HITACHI PERKIN ELMER January 1968 N6166E-1
Catalog No. 124-900
Copyright 1967 - Hitachi, Ltd.
Printed in Japan
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