Hydrometer

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Ingenium, 1995.1342.001
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OBJECT TYPE
LACTOMETER
DATE
1930
ARTIFACT NUMBER
1995.1342.001
MANUFACTURER
Unknown
MODEL
QUEVENNE
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
GLASS, MERCURY & PAPER LACTOMETER. CASE MADE OF COATED PAPER.

Dimensions

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

Length
34.0 cm
Width
4.0 cm
Height
4.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Physics
Category
Hydrostatics & fluid mechanics
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
North America
State/Province
Unknown
Period
THIS TYPE OF LACTOMETER PROBABLY USED C. 1900- 1930.
Canada
EXAMPLE OF EARLY 20TH CENTURY MILK TESTING DEVICE, IMPORTANT AS PART OF THE EFFORT TO REGULATE QUALITY OF MILK, AND IMPROVE PUBLIC HEALTH.
Function
TO MEASURE THE SPECIFIC GRAVITY OF LIQUIDS, IN THIS CASE MILK.
Technical
ADAPTATION OF HYDROMETER TO MEASURE SPECIFIC GRAVITY OF MILK. QUEVENNE LACTOMETER FEATURES SCALE DIVIDED INTO 25 EQUAL PARTS, FROM 15 TO 40. IT IS GRADUATED TO GIVE CORRECT RESULTS AT 60-DEGREES F.: FOR THIS REASON A THERMOMETER SCALE APPEARS ABOVE THE LACTOMETER SCALE ON THIS INSTRUMENT. (REF. 2, PP. 213-14)
Area Notes
Unknown

Details

Markings
Thermometer scale at top divided 0- 130 in increments of 2, and labelled at intervals of 10 degrees; scale labelled "Fahrenheit." Scale for specific gravity of milk labelled "Lactometer [illegible] Quevenne.". Blue band marked "Skim Milk" and divided from 1/10 to 5/10: these divisions recorded to left of, and with reference to, quevenne scale divided (from bottom) 40 to 15 in single increments, and labelled at intervals of 5. To right is scale labelled "Pure Milk" divided from 1/10 to 5/10: this with reference to range 15- 29 of quevenne scale. / "LACTOMETER" handwritten on PT case.
Missing
NONE.
Finish
CLEAR GLASS TUBE CONTAINS MILK SCALE ON YELLOW, WHITE & BLUE PAPER; THERMOMETER SCALE PRINTED ON WHITE PAPER. TUBE STYLE CASE OF WRINKLE-TEXTURED BLUE-GREEN CAOTED PAPER.
Decoration
N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Hydrometer, before 1930, Artifact no. 1995.1342, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1342.001/

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