The Model 410A in the 1948 Catalog

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The HP Model 410A High Frequency Vacuum Tube Voltmeter

 

 

The HP 410A in the HP Memory Project Collection
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The Model 410A in the 1948 Catalog

 

Page 28 of the 1948 Catalog
Courtesy of the Hewlett Packard Company
Page 29 of the 1948 Catalog
Courtesy of the Hewlett Packard Company

 

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