Three Wood, Brass, and Steel Pump Drills
- Sold for:
- Clocks, Watches & Scientific Instruments - 2502
- Date / Time :
- May 01, 2010 10:00AM
Three Wood, Brass, and Steel Pump Drills, 20th century, the drills of varying design but built on the same principle, 11-20 1/4 in., together with a small turned wood cylindrical box with drill bits.
Note: See Crom #2, p. 429 for an illustration of a similar drill.