Schaeffer & Budenberg Tachometer – 1883 patent – In original wooden box – WOW!
USD 149.99 USD
Specifications
| Brand | Schaeffer & Budenberg |
| Country/Region Of Manufacture | United States |
Gauge face says "Patented November 13th 1883. Gauge zeros out and needle moves when tip is spun. Box is missing lid but could be reproduced.