| Original/Reproduction | Original |
|---|---|
| Time Period Manufactured | Pre-1930 |
| Maker | WM Welch Scientific Company |
Check the listing for details. WM Welch Scientific Company Variable Resistor. Listed at 80.00 USD. An antique laboratory device from the turn of the 20th century, this WM Welch Scientific Co. variable resistor would make a great addition to any antiques collection.
