Scale

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Ingenium, 2002.0575.002
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OBJECT TYPE
ADJUSTABLE
DATE
1970
ARTIFACT NUMBER
2002.0575.002
MANUFACTURER
Jones Medical Instrument Co.
MODEL
Unknown
LOCATION
Chicago, Illinois, United States of America

More Information


General Information

Serial #
N/A
Part Number
2
Total Parts
3
AKA
N/A
Patents
N/A
General Description
synthetic scale; metal fittings

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
17.4 cm
Width
6.0 cm
Height
3.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Medical Technology
Category
Medical equipment
Sub-Category
N/A

Manufacturer

AKA
Jones
Country
United States of America
State/Province
Illinois
City
Chicago

Context

Country
Canada
State/Province
Ontario
Period
Probably used c. 1970s+. Not used after 1981.
Canada
Part of a large collection of medical artifacts, archival material & trade literature transferred to CSTM in 2002 from the former History of Medicine Museum, Toronto On. Originally donated to Academy of Medicine- History of Medicine Museum by Dr. S.W. Epstein, 407-25 Leonard Ave., Toronto, ON M5T 2R2, in 1981.
Function
To provide visual display of measured quantity. Specifically, provides reference for rebreathing estimate of arterial partial pressure of carbon dioxide on one side; provides reference for percentage of carbon dioxide humidified gas on reverse.
Technical
Adjustable, 2-sided scale used on direct-reading, portable instrument used to diagnose ventilatory failure.
Area Notes
Unknown

Details

Markings
One side of scale reads "SCALE 1/ REBREATHING/ ESTIMATE OF/ ARTERIAL Pco2/ (MM hG)": dual readings of 0 to 25+ are labelled "OVERVENTILATION"; -30 to 50 are labelled "NORMAL"; and 50 to 100 are labelled "UNDERVENTILATION". Second scale reads "SCALE 2/ % CO2/ HUMIDIFIED/ GAS"; scale marked along both sides 0-15, labelled in increments of 1, and divided in increments of .50.
Missing
This component is complete. Fastened to analyzer with silver metal screw & washer.
Finish
Black text & markings printed on rigid white synthetic scale.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Jones Medical Instrument Co., Scale, 1970, Artifact no. 2002.0575, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2002.0575.002/

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