The HP Model 410A High Frequency Vacuum Tube Voltmeter
The Model 410A in the 1948 Catalog
| 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 |
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| Page 29 of the 1948 Catalog Courtesy of the Hewlett Packard Company |
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