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Description: | '2222 Standard conditions Temperature 0�C g=980 665cm/s2'
'H10112' 'NP55'
'Negretti & Zambra Scientific Instrument Makers to Her Majesty, LONDON'.
'No 2222'
Stick mounted barometer with thermometer also attached to the tube by brass and steel fittings. At foot of the glass tube a steel casing protects the mercury reservoir. The whole instrument is mounted on a mahogany blackboard with special wooden supports to further protect that reservoir made of black painted metal.
Dimensions:
Overall height 115 cm
Glass tube length 88 cm
Thermometer 18 cm
Scale 28 cm
Does not contain mercury due to a previous accident.
Formerly used at the Royal Observatory (Met Station) Greenwich and then at the Royal Observatory Edinburgh until 1984.
Inscriptions:
[Top] No. 2222
[label on backboard] NEGRETTI and ZAMBRA / Inst. Makers / to Her Majesty / London
[metal label around tube:] 2222 / STANDARD / CONDITION / TEMPERATURE 0?C / {etc.}
The mount is marked NAV0808.1 and the glass tube in a wooden support is marked NAV0808.2.
caption: Barometer | Publisher: | "http://collections.rmg.co.uk/" | Rights holder: | "Royal Museums Greenwich" | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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