Mahogany Cased Barograph

1900 - 1920

Sold by Shackladys Antiques

Description

Short and Mason, London, mahgoany-cased Barograph, having five glazed removable lid. The mechanical eight-day movement is housed in the drum, fitted with a seven-day chart that covers one full rotation of the drum. The ink trace, or barogram, on the recording paper, is a visual record of changes in pressure.

The aneroid barometer mechanism has eight stacked vacuum capsules and utilizes a gate suspension, a refinement developed to improve sensitivity. Retaining its original glass ink bottle recessed into the case.

Dimensions

Height 7 Inches

Width 14 Inches

Depth 8 Inches

Physical Dimensions

Height

18cm (7.09")

Width

36cm (14.17")

Depth

20cm (7.87")

Declaration

Shackladys Antiques has dated this piece to the 1900s.

Reference Numbers

Sellingantiques Reference

SA848973

Dealers Notes

Delivery Information

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Description

Short and Mason, London, mahgoany-cased Barograph, having five glazed removable lid.

“

The mechanical eight-day movement is housed in the drum, fitted with a seven-day chart that covers one full rotation of the drum.

Shackladys Antiques

The ink trace, or barogram, on the recording paper, is a visual record of changes in pressure.

fig 1. Mahogany cased Barograph — fig 1. Mahogany Cased Barograph

The aneroid barometer mechanism has eight stacked vacuum capsules and utilizes a gate suspension, a refinement developed to improve sensitivity. Retaining its original glass ink bottle recessed into the case.

Dimensions

Height 7 Inches

Width 14 Inches

Depth 8 Inches