Tester, paper strength

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Ingenium, 1997.0817.001
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OBJECT TYPE
TENSILE STRENGTH
DATE
Unknown
ARTIFACT NUMBER
1997.0817.001
MANUFACTURER
LEUNIG, F.
MODEL
Unknown
LOCATION
Germany

More Information


General Information

Serial #
442
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOOD BASE & HANDLE/ FERROUS &NON-FERROUS (BRASS?) METAL FRAME & WORKING PARTS/ BRASS? & GLASS SPIRIT LEVEL CONTAINING ALCOHOL

Dimensions

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

Length
N/A
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Printing
Category
Miscellaneous
Sub-Category
N/A

Manufacturer

AKA
LEUNIG
Country
Germany
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Quebec
Period
See similar Leunig artifact in an Australian collection which gives date range of 1895-1906. http://www.powerhousemuseum.com/collection/database/?irn=91318
Canada
EQUIPMENT USED BY CANADIAN GOVERNMENT PRINTING BUREAU.
Function
INSTRUMENT USED TO MEASURE TENSILE STRENGTH OF PAPER BY MEASURING BREAKING STRAIN OF PAPER STRIPS; EACH STRIP OF PAPER IS HELD BETWEEN TWO CLAMPS & USED TO RAISE HEAVILY WEIGHTED LEVER BY MEANS OF WHEEL & GEARING.
Technical
OLD METHOD OF PAPER TESTING WAS TO SUSPEND STRIP OF PAPER FROM CLAMP; ANOTHER CAMP WAS ATTACHED TO BOTTOM OF STRIP & WEIGHTS ADDED UNTIL IT BROKE. SCHOPPER PAPER TESTER WAS LATER ADAPTATION OF THIS METHOD, ACTUATED BY HAND-TURNED WHEEL. VERSION SHOWN IN REF. 1 (1929) HAS ELECTRIC DRIVE.
Area Notes
Unknown

Details

Markings
GOLD LETTERING ON FRAME READS "F. Leunig & Co, London."/INCISED LETTERING ON SCALE READS "No. 442/ MADE IN GERMANY" ON ONE END & "SCHOPPER'S PATENT" ON OTHER END, WITH MARKINGS FOR 0 TO 70 "AV.D.P./ PD."/ SECOND SCALE MARKED IN INCHES
Missing
APPEARS COMPLETE
Finish
COATED WOOD/ BLACK PAINTED TESTER WITH BRASS COLOURED & METALLIC PARTS
Decoration
GOLD COLOURED STRIPING ON FRAME/ GOLD PAINTED FRET DESIGN ENCIRCLING EDGES OF WEIGHT & GOLD PAINTED CIRCULAR DESIGN AT CENTRE/ GOLD PAINTED PARTS

CITE THIS OBJECT

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

LEUNIG, F., Tester, paper strength, Unknown Date, Artifact no. 1997.0817, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1997.0817.001/

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