Details
A barothermograph,
unsigned, French, No. 86499, the gilt-brass base with nickel and burnished-steel mechanism, the recording drum divided vertically with two cards for barometric pressure and temperature, with bevelled glass glazed cover -- 7½in. (19cm.) high
See Colour Illustration
unsigned, French, No. 86499, the gilt-brass base with nickel and burnished-steel mechanism, the recording drum divided vertically with two cards for barometric pressure and temperature, with bevelled glass glazed cover -- 7½in. (19cm.) high
See Colour Illustration
Sale room notice
This Lot has a revised estimate of £1,000 - £1,500.