£50
Oak stick barometer, the angled scale signed T.B. Winter, Optician, Newcastle on Tyn, corrected for capacity no. 1315, over a flat canted trunk with concealed tube
**This type of barometer was regularly used by coal mine managers to check the rise and fall of pressures deep in the mine
Fees apply to the hammer price:
Room and Absentee Bids:
26.40% inc VAT*
Online and Autobids:
26.4% inc VAT*