-40%
Central Scientific Company - Gear Reduction System, 16:1 Ratio,circa 1900
$ 20.59
- Description
- Size Guide
Description
Unique and appealing demonstration showing three gears and two pinions combined for 16:1 ratio. At each end is a "rope" configuration for input/output adding a 4:1 ratio for a total ratio of 64:1. Steel bar supporting the mechanism has one end round and one end square. Large gears are ~ 2.75" diameter and pinions are ~.66" diameter.Rare! Tefifon Tefi tube radio for parts
This is for parts. The case is dilapidated. The electronics seem complete, but wood case is falling apart. Sold as is.