thermometer (Beckmann?)
Date1890-1920
Inventory Number4399
ClassificationThermometer
Subject
Maker
Dr. H. Geissler, Nachfolger Franz Müller
fl. 1879 - 1920s
Owner
Theodore William Richards
1868 - 1928
Cultural Region
Place of Origin
Dimensions1.8 x 44.2 cm (11/16 x 17 3/8 in.)
case: 46.8 x 2.6 cm (18 7/16 x 1 in.)
case: 46.8 x 2.6 cm (18 7/16 x 1 in.)
Material
Accessoriesblack cardboard case with green inner surface
DescriptionA thermometer consisting of a thin glass tube with a mercury enclosed in a larger glass vessel with a milk glass scale going from 0 to 6 degrees Celsius, with a precision of 1/20 of a degree. It has a long neck between the mercury bulb and the section marked with a scale. The mercury capillary makes an s-bend at the top. The the thermometer is sealed by a brass cap with a perforated knob on its top.
Signedmarked in script: Dr. H. Geissler Nachf Frz. Müller in Bonn
FunctionA thermometer with a narrow range and considerable precision. There is a chance of this being a Beckmann thermometer in which the user can pour additional mercury in to change the range of the thermometer.
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
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
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1910
Accessories: black cardboard case with red inner surface
Object number: 4381
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: black cardboard case with red inner surface
Object number: 4404
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: navy blue cardboard case with red inner surface
Object number: 4395
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: wooden cylindrical case
Object number: 4975
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: hinged black case with violet velvet lining
Object number: 4428
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: wooden case
Object number: 4411
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1890-1920
Accessories: brown and green mottled case with missing top
Object number: 1998-1-0737
Dr. H. Geissler, Nachfolger Franz Müller
Date: 1880-1900
Accessories: tubular cardboard case
Object number: DW0637