Beckmann thermometer
Date1900-1920
Inventory Number4406
ClassificationThermometer
Subject
Maker
Corning
1851-present
Maker
Arthur H. Thomas Company
1900-present
Cultural Region
Place of Origin
Dimensions1.8 x 56.4 cm (11/16 x 22 3/16 in.)
case: 60 x 2.6 cm (23 5/8 x 1 in.)
case: 60 x 2.6 cm (23 5/8 x 1 in.)
Material
Accessoriesblack cardboard case with green inner surface
DescriptionA thermometer consisting of a glass tube with a mercury capillary enclosed in an outer glass vessel closed with a brass cap. The lower part of the thermometer that leads to the mercury bulb is thin and unmarked, with the upper section containing a milk glass scale calibrated from 0 to 5.5 degrees Celsius with a precision of 1/100 of a degree. The mercury capillary makes an S-bend at the top that is calibrated from 0 to 120.
Signedthermometer marked: ARTHUR H. THOMAS CO, PHILA, PA.
on thermometer: CORNING NORMAL GLASS
Inscribedon thermometer: BECKMAN THERMOMETER 1/100°C
scale marked on front: 'A.B.' [and] No. G.B.
glass etched: B.S. No 22112
FunctionThis is a thermometer that the user can fill with different amounts of mercury to use at different temperature ranges. It is extremely precise but because of this it has a narrow range of 5.5 degrees Celsius. To set it up for use, the thermometer would be placed in contact with a substance a few degrees above the upper required limit of temperature, and enough mercury would then be poured in so that the stem filled up to the s-bend. That way, the thermometer would have a range up to that temperature.
American
Date: 1890-1910
Accessories: cylindrical cardboard case with green inner surface
Object number: 4438
Bender und Hobein
Date: 1900-1930
Accessories: black cylindrical cardboard case with red inner surface (top missing)
Object number: 4433
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: black cardboard case with green inner surface
Object number: 4399
Robert Bötze
Date: 1880-1920
Accessories: brass cylindrical case with square flange near top
Object number: 4425
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: black cardboard case with red inner surface
Object number: 4397
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: black cardboard case with marbled paper inner surface
Object number: 4407
German
Date: 1890-1920
Accessories: black cardboard case with red inner surface
Object number: 4398
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: brass cap with knob at top; black cardboard case with red inner surface
Object number: 4400
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1910
Accessories: green cardboard case
Object number: 4389
Fritz Köhler
Date: 1900-1920
Accessories: black cylindrical cardboard case with red inner surface
Object number: 4435
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1910
Accessories: black cardboard case with red inner surface
Object number: 4381