Planimeter

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Ingenium, 1996.0251.001
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OBJECT TYPE: ROLLING UNIVERSAL/OTT
DATE: Unknown
ARTIFACT NUMBER: 1996.0251.001

MANUFACTURER: OTT, A.
MODEL: 8411
LOCATION: Kempten, Federal Republic of Germany

More Information

General Information

Serial #: 21040
Part Number: 1
Total Parts: 3
AKA: N/A
Patents: N/A
General Description: ALL METAL CONSTRUCTION; MEASURING WHEEL AND SCALES DIVIDED ON CELLULOID. BOTH CASES MADE OF WOOD, AND COVERED IN MOROCCO LEATHER; PURPLE VELVET LINING. Cellulose nitrate scale on .2.

Dimensions

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

Length: 25.3 cm
Width: 9.5 cm
Height: 4.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Mathematics
Category: Drawing & measuring instruments
Sub-Category: N/A

Manufacturer

AKA: OTT
Country: Federal Republic of Germany
State/Province: Unknown
City: Kempten

Context

Country: Canada
State/Province: Ontario
Period: THIS TYPE OF PLANIMETER USED C. 1915 +
Canada: Unknown
Function: TO MEASURE MECHANICALLY THE AREA OF ANY CLOSED PLANE FIGURE OR IRREGULAR SHAPE ON A DRAWING OR MAP.
Technical: THIS PLANIMETER DESIGNED FOR COMPUTING AREAS AND DETERMINING THE MEAN ORDINATE OF CIRCULAR CHART RECORDS. IT'S ACCURACY IS HIGHER THAN THAT OF AN ORDINARY COMPENSATING PLANIMETER. WHEN USED WITH THE GUIDING ROLLER, A SURFACE OF ANY LENGTH AND OF A WIDTH OF11-INCHES CAN BE MEASURED. (REF. 2, P.231)
Area Notes: Unknown

Details

Markings: .1 " MADE IN GERMANY " incised on back; " OTT- PLANIMETER, [logo] & " HUGHES OWENS Co. LTD. MONTREAL/ WINNIPEG TORONTO OTTAWA/ No 8411 " incised on arm front./.2 " [logo] No 21040 " incised on counter fitting. 2 revolving counter wheels divided 0-9; vernier divided -1 - 11. Paper label inside case bears calibration values- see transcript in Supp. Info. file. Second label reads " When used as Radial- Planimeter/ Valur of Vernier Unit= 0,0004 inches "./.3 roller frame incised " [logo], "HUGHES OWENS Co LTD. MONTREAL/ WINNIPEG No8412 TORONTO", and "GERMANY". Second, larger logo design incised on roller frame, at attachment point.
Missing: NONE.
Finish: .1 HAS SMOOTH BLACK FINISH APPLIED OVER METAL/.2-.3 PRIMARILY BRUSHED SILVER METAL FINISH; SOME AREAS/COMPONENTS HAVE SMOOTH BLACK FINISH AS PER.1./ BOTH CASES HAVE FINE GRAIN BLACK LEATHER COVERING; DARK PURPLE LININGS.
Decoration: N/A

CITE THIS OBJECT

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

OTT, A., Planimeter, Unknown Date, Artifact no. 1996.0251, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1996.0251.001/

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