Accession No

2083

Brief Description

sympiesometer, by Adie and Son, Scottish, 1878 (c)

Origin

Scotland; Edinburgh

Maker

Adie and Son

Class

meteorology

Earliest Date

1878

Latest Date

1878

Inscription Date

Material

wood (mahogany, pine); glass; metal (brass, silver, mercury)

Dimensions

height 683mm; breadth 87mm; depth 39mm

Special Collection

Provenance

Purchased from P. Delehar, London, England, 1975.

Inscription

‘D. McGregor & Co
Agents
Glasgow & Greenock’ (signed on cover)
‘3179
PATENT
Adie & Son
EDINBURGH’ (signed beneath the reading aperture)

Description Notes

Sympiesometer, Adie & Son, 1878 (c).

Mahogany case with glazed front and pine core; full length brass register plate (now polished but some sign of original silvering); inverted mercury in glass fahrenheit thermometer 20-110oF by 10 to 0.5o. Comparative thermometer scale beside the sympiesometer tube 20-120F by 10 to 0.5. Sliding barometeric pressure scale with index operated from right hand side of case; 31-26” of mercury subdivided to 0.02” with weather indications ‘Very Dry (31), FAIR (30), Change (29.5), RAIN (29), Stormy (28)’ - beneath the pressure scale the serial number ‘3179’.
Below the thermometer is a small pressure register disc 27-30 by 1 to 0.02” operated from left hand side of case. Brass cover to sympiesometer gas reservoir and thermometer bulb. Fluid is red glycerine.

References

Events