Recorder, temperature
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2004.0123.001
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- OBJECT TYPE
- air/deformation/bimetal
- DATE
- 1936
- ARTIFACT NUMBER
- 2004.0123.001
- MANUFACTURER
- Bacharach Industrial Instrument Co.
- MODEL
- Tempscribe
- LOCATION
- Pittsburgh, Pennsylvania, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 4
- AKA
- N/A
- Patents
- N/A
- General Description
- synthetic case & window/ metal chart plate & interior door plate, pen arm, bimetal sensor & mechanism, case hardware, parts/ paper chart, glass bottle of ink
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 14.0 cm
- Width
- 11.5 cm
- Height
- 19.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Industrial Technology
- Category
- Industrial equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Bacharach
- Country
- United States of America
- State/Province
- Pennsylvania
- City
- Pittsburgh
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- mid 20th century
- Canada
-
Unknown - Function
-
An instrument used to record on a paper chart temperatures measured through the distortion of a bimetallic sensor. - Technical
-
Bacharach's Tempscribe is a chart recorder that could be configured in two different ways for two different functions, one being a temperature recorder. It can be converted into a recorder used to measure other phenomena than temperature by replacing the temperature sensing mechanism with an armature & electromagnet to record on-off times of electric motors (see 1971.0049). The temperature recorder has a bimetallic coil sensor consisting of two metals with differential rates of expansion & contraction in response to temperature changes. The coil is attached to the spindle which is attached to the pen arm; small movements of the coil are amplified & transmitted to the pen by means of the spindle & pen arm. A windup clock controls the rotation of the chart. - Area Notes
-
Unknown
Details
- Markings
- White lettering on front reads "tempscribe [script]/ white lettering on back reads "BACHARACH/ PITTSBURGH 8, PA., U.S.A./ PAT NO. 2060984"/ green lettering on chart reads "BACHARACH/ INDUSTRIAL INST. CO./ PITTSBURG 8, P.A. U.S.A." / DEG. FAHR./ tempscribe [SCRIPT]/ CHART S-277" & "PRINTED IN U.S.A."
- Missing
- appears complete
- Finish
- black exterior/ colourless transparent window/ white chart/ plated metal
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bacharach Industrial Instrument Co., Recorder, temperature, after 1936, Artifact no. 2004.0123, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.0123.001/
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