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Mahogany Cased Barograph by R. Stewart, 1890s

Name: Mahogany Cased Barograph by R. Stewart, 1890s
Price: 1260 USD
Availability: InStock

$1,260

SHACKLADY'S ANTIQUES

Chester, GB

Condition Notes: Good — This vintage item remains fully functional, but it shows sign of age through scuffs, dings, faded finishes, minimal … moreGood — This vintage item remains fully functional, but it shows sign of age through scuffs, dings, faded finishes, minimal upholstery defects, or visible repairs. less

Description: R. Stewart Mahogany-cased Barograph, having five glazed hinged lid, and a drawer below to house the charts. The mechanical eight-day … more R. Stewart Mahogany-cased Barograph, having five glazed hinged lid, and a drawer below to house the charts. 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 seven stacked vacuum capsules and utilizes a gate suspension, a refinement developed to improve sensitivity. The barograph has a thermometer and its original glass ink bottle recessed into the case. Dimensions Height 8.5 Inches Width 14.5 Inches Depth 9 Inches. less

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