A Negretti and Zambra motor aneroid , circa 1920, the nickel plated dial with scale from 27-31 millibars, the rotating outer ring dial with ascent and
| Estimate: |
£100 - £200
|
|
Hammer price:
|
£170 |
Bidding ended. Lot has been sold.
A Negretti and Zambra motor aneroid , circa 1920, the nickel plated dial with scale from 27-31 millibars, the rotating outer ring dial with ascent and descent scales from 0-2000 feet, with blued steel needle and bevelled lens, 9.5cm diameter at rear.
