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[M] A RARE SHIP'S BAROGRAPH BY HICKS, LONDON<br/>set...
A RARE SHIP'S BAROGRAPH BY HICKS, LONDON
set vertically with atmospheric drum to top, with pin-point action inker set over clockwork drum with sprung paper-tension roller under, a silvered indicator numbered '127' with readings for Very Dry / Change / Stormy, contained within a walnut case with hinged glazed drop front and securing hooks and lugs for bulkhead mounting and makers plate to top - 10 x 5¾in. (25.5 x 14.5cm.)
Unlike conventional barographs which leave a continual line of ink to record changes in barometric pressure, this example leaves a dot at regular intervals and which will leave an accurate recording in stormy weather.
Sold for £1,612
Estimated at £700 - £900
(inc. buyer's premium of 24%)
A RARE SHIP'S BAROGRAPH BY HICKS, LONDON
set vertically with atmospheric drum to top, with pin-point action inker set over clockwork drum with sprung paper-tension roller under, a silvered indicator numbered '127' with readings for Very Dry / Change / Stormy, contained within a walnut case with hinged glazed drop front and securing hooks and lugs for bulkhead mounting and makers plate to top - 10 x 5¾in. (25.5 x 14.5cm.)
Unlike conventional barographs which leave a continual line of ink to record changes in barometric pressure, this example leaves a dot at regular intervals and which will leave an accurate recording in stormy weather.