Thermometer - Metal - Thermograph
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Selected by Ashley Calvert
He has 15 years of experience trading 20th century glass and antiques.
Estimate € 140 - € 170
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R. Fuess Berlin-Steglitz mechanical thermograph (KNMI used) from ca. 1950–1960, metal housing, serial no. 1413596, 4 kg, 35×20×20 cm, Netherlands, in good condition with minor signs of wear and spots.
AI-assisted summary
Description from the seller
Beautiful and authentic mechanical thermograph (temperature recorder) of top quality, mid-20th century, manufactured by the renowned German maker R. Fuess (Berlin-Steglitz).
This specific example has a rich, official history and was extensively used at the KNMI (Royal Netherlands Meteorological Institute). On top of the housing there is the original KNMI inventory plate (reference: image.png). On the side is mounted the original factory plate from R. Fuess with serial number 1413596 (reference: image_4.png).
Operation and Details
The instrument is fully mechanical. On the right side there is a sensitive bimetal element (protected by a metal cage, see image_5.png) that responds to temperature fluctuations. Via a fine-mechanics linkage system this moves the long writing arm with ink cartridge (image_7.png). The arm records the temperature live on the registration paper roll.
The drum is driven by an built-in mechanical clockwork that can be wound with the included key (image_3.png). The clockwork can be set for a rotation of 1 day or 7 days ("1 Umdr. in 1 oder 7 Tgn."). The sturdy metal housing is finished with a classic gray hammer-tone paint and can be folded open to replace the paper or ink (image_10.png).
Condition and Status
Visual: In exceptionally neat and clean condition. The hammer-tone finish is very well preserved and shows only minimal signs of use for its age. The glass is scratch-free and intact.
Mechanical: The instrument is visually complete with the original winding key and writing arm. (Optional: The clockwork has been tested and keeps good time / The clockwork is untested).
A splendid historic-scientific object with a beautiful story. Perfect as an eye-catcher in an industrial interior, for collectors of meteorological instruments, or enthusiasts of maritime/scientific antiques.
Specifications
Manufacturer: R. Fuess Berlin-Steglitz (Germany)
User: KNMI (Netherlands)
Serial number: 1413596
Period: circa 1950 - 1960
Material: Cast iron / steel / glass / brass
Accessories: Includes original winding key and drum with registration paper.
Beautiful and authentic mechanical thermograph (temperature recorder) of top quality, mid-20th century, manufactured by the renowned German maker R. Fuess (Berlin-Steglitz).
This specific example has a rich, official history and was extensively used at the KNMI (Royal Netherlands Meteorological Institute). On top of the housing there is the original KNMI inventory plate (reference: image.png). On the side is mounted the original factory plate from R. Fuess with serial number 1413596 (reference: image_4.png).
Operation and Details
The instrument is fully mechanical. On the right side there is a sensitive bimetal element (protected by a metal cage, see image_5.png) that responds to temperature fluctuations. Via a fine-mechanics linkage system this moves the long writing arm with ink cartridge (image_7.png). The arm records the temperature live on the registration paper roll.
The drum is driven by an built-in mechanical clockwork that can be wound with the included key (image_3.png). The clockwork can be set for a rotation of 1 day or 7 days ("1 Umdr. in 1 oder 7 Tgn."). The sturdy metal housing is finished with a classic gray hammer-tone paint and can be folded open to replace the paper or ink (image_10.png).
Condition and Status
Visual: In exceptionally neat and clean condition. The hammer-tone finish is very well preserved and shows only minimal signs of use for its age. The glass is scratch-free and intact.
Mechanical: The instrument is visually complete with the original winding key and writing arm. (Optional: The clockwork has been tested and keeps good time / The clockwork is untested).
A splendid historic-scientific object with a beautiful story. Perfect as an eye-catcher in an industrial interior, for collectors of meteorological instruments, or enthusiasts of maritime/scientific antiques.
Specifications
Manufacturer: R. Fuess Berlin-Steglitz (Germany)
User: KNMI (Netherlands)
Serial number: 1413596
Period: circa 1950 - 1960
Material: Cast iron / steel / glass / brass
Accessories: Includes original winding key and drum with registration paper.
Details
Era
1900-2000
Title additional information
Thermograph
Number of objects
1
Country of origin
Netherlands
Material
Metal
Condition
Good condition - used with small signs of aging & blemishes
Height
20 cm
Width
35 cm
Depth
20 cm
Weight
4 kg
Estimated period
1950-1960
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