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| Management number | 37872687 | Release Date | 2026/01/11 | List Price | $15.60 | Model Number | 37872687 | ||
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1936 hardcover technical manual An Hour a Day with Rider on Automatic Volume Control, published by John F. Rider Publisher, Inc. This 94-page volume explains the theory, design, and troubleshooting of automatic volume control systems used in early radio receivers. Includes detailed text, circuit diagrams, and schematic illustrations. A classic reference for vintage radio collectors, restorers, and electronics history enthusiasts.
Hardcover cloth shows general age wear, edge rubbing, and surface spotting consistent with age. Pages are complete with light toning. Binding is intact and secure. No missing pages noted. See pictures for further details on condition.
| Category | Books > Reference Books > Educational & Instructional Books |
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| Size | N/A |
| Brand | None |
| Condition | Good |
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