| Time Period Manufactured | 1930-Now |
|---|---|
| Country of Origin | United States |
| Modified Item | No |
Check the listing for details. 1945 Allied's Parallel Resistance & Series Capacitance Calculator Slide Rule. Condition: Used, Made in United States. Listed at 14.00 USD. This is a vintage Allied's Parallel-Resistance and Series-Capacitance Calculator with its original paper slipcase and instructions. The calculator is a paperboard slide chart tool held together with six metal grommets. It calculates both parallel resistance and series capacitance using different scales and procedures. The item was manufactured by Allied Radio Corp. in Chicago, Illinois. It is considered a collectible item, often found in the category of engineering slide rules from the 1930s-now time period.
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