THE COLLECTIONS OF JANET & JACK THORNTON
Wednesday, 12 - Monday, 24 November 2025
An NZ retailed gilt brass compensated pocket barometer-altimeter, dial signed John R. Procter, Optician, Christchurch, NZ, in red leather case
Estimate $100 - $160
Realised: $160 plus premium
Lot Details
silvered dial engraved with 23-31" and 0 to 10,000 ft scales, bevelled glazed in a revolving milled rim. Dia.47mm.
