mercurial barometer
Date1910-1932
Inventory Number1997-1-0022
ClassificationBarometer
Subject
Maker
Taylor Instrument Companies
1851 - 1992
Cultural Region
Place of Origin
Dimensions10 x 101 x 10 cm (3 15/16 x 39 3/4 x 3 15/16 in.)
Material
Accessorieswooden box
DescriptionA mercurial barometer consisting of a cylindrical black metal frame with a silvered scale on one of its ends (650-820 mm) It has a cylindrical brass canister with a large window and a small screw at its bottom. It has a thermometer attached to one side.
When not in use, it is stored in a rectangular wooden box. Instructions have been pasted to the box's inside lid.
When not in use, it is stored in a rectangular wooden box. Instructions have been pasted to the box's inside lid.
Signedon cistern: Tycos / TAYLOR INSTRUMENT COMPANIES / ROCHESTER N.Y. No. 2046
Curatorial RemarksThe name Tycos was used until 1932.
FunctionA portable instrument for measuring atmospheric pressure. When in use, it would be placed vertically (preferrably on a tripod) with the canister at the bottom. The height of the mercury in the canister would be adjusted first with the screw, and then the reading would be taken from the scale on the upper part of the barometer at the place of the mercury level.
Its thermometer is used to make corrections to the readings at temperatures different from the standard.
Its thermometer is used to make corrections to the readings at temperatures different from the standard.
Pistor & Martins
Date: circa 1850
Accessories: tapered wood case with velvet purple pad lining and leather straps
Object number: DW0757
Adie & Son
Date: circa 1850
Accessories: cylindrical split wood case with padding
Object number: DW0755
Adie & Son
Date: circa 1850
Accessories: pine case.
Object number: DW0756
Taylor Instrument Companies
Date: circa 1930
Accessories: original brown leather case with shoulder strap, purple cloth interior
Object number: 5106
John Frederick Newman
Date: circa 1850
Accessories: split wood carrying cylindrical case; small glass bottle of screws
Object number: DW0754
Taylor Instrument Companies
Date: 1910-1930
Object number: 1998-1-1410
Johann Georg Greiner, Jr.
Date: circa 1850
Accessories: white wood case in leather cover; scale on rack & pinion, vernier, and two magnifiers; Reaumur thermometer
Object number: DW0758
Taylor Instrument Companies
Date: circa 1920
Object number: DW0633
Taylor Instrument Companies
Date: circa 1930
Accessories: chart "RELATIVE HUMIDITY" in holder stored in file folder
Object number: 1998-1-0285
Taylor Instrument Companies
Date: circa 1925
Accessories: stored within the case: paper recording chart, a length of flexible hose, a bulb and glass container with red recording ink
Object number: 2010-1-0020
