Antoine Redier patent wall mounted barograph, retailed by J Hicks of London. Circa 1895.
The wall mounted barograph is enclosed in a glazed mahogany case, with a hinged front which opens to access the chart, aneroid capsule, the movement, and altitude adjuster.
The silvered plated scale divided for 31 to 28 inches of barometric pressure.
Marked: J. HICKS. LONDON. No: 120.
Seven day drum movement.
With a key.
Height: 27 cm.
Width: 15 cm.
Depth: 12 cm..
The design for this barograph was patented by Antoine Redier in 1891.