VTG 1979 Varco-Pruden Metal Bldg Systems SLIDE RULE Energy Savings Calculator
4.0 (150 items)
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Product details
| Management number | 8784209 | Release Date | 2025/09/04 | List Price | $10.33 | Model Number | 8784209 | ||
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For your consideration is this vintage 1979 Varco-Pruden Metal Building Systems slide rule, a must-have for any collector of industrial memorabilia. Made from sturdy card stock and held together with rivets, it features a Thermal Performance Selector and an Annual Energy Savings calculator on one side and an Annual Fuel Cost Savings and Climatic Map on the other. The slide rule was made in the United States by Varco-Pruden Metal Building Systems of Memphis, TN and weighs just 1.1 oz with dimensions of 8.5 in by 3.5 in. This collectible slide rule is perfect for anyone interested in engineering, science, and medicine from 1930 to now.Condition: Good overall condition with no issues observed.
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| Category | Tools > Measuring & Layout > Other Measuring & Layout |
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| Size | N/A |
| Brand | None |
| Condition | Fair |
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Other Measuring & Layout
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