Level, simple

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OBJECT TYPE: N/A
DATE: 1968–1970
ARTIFACT NUMBER: 2004.1361.009

MANUFACTURER: Wild Heerbrugg
MODEL: Unknown
LOCATION: Switzerland

More Information

General Information

Serial #: N/A
Part Number: 9
Total Parts: 65
AKA: tube level or cross level
Patents: N/A
General Description: metal , synthetic and glass components

Dimensions

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

Length: 9.7 cm
Width: 7.6 cm
Height: 6.8 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Exploration and Survey
Category: Photogrammetry
Sub-Category: N/A

Manufacturer

AKA: Wild
Country: Switzerland
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: Unknown; not used after early 1990s.
Canada: Accessory/part for plotter used in Canada's national mapping program c. 1960s-early 1990s, and is an example of the last analogue plotting devices used by the Topographic Service of Canada. With the exception of the Wild A10 [few of which were used in Canada], this machine was the most sophisticated plotter available before digital technology. This machine was converted c. 1995-96 to digitize the motions (X,Y & Z) with the addition of encoders and a control pad which interfaced to a computer. The Kern encoders and control module were installed by Terra Surveys of Ottawa when they rented this machine for the MOM project, completing the large scale mapping of Riyad, Saudi Arabia. The A8 was on loan to Terra for the duration of the project's digital compilation stage. [Ref. 1]
Function: Used to determine if surface of picture carrier is perfectly horizontal.
Technical: "Cross level" listed as standard accessory supplied with A8 plotter. [Ref. 4]
Area Notes: Unknown

Details

Markings: No markings evident.
Missing: Appears complete.
Finish: Off-set "T" arrangement: each of two tube levels has clear glass tube with black incised graduations, enclosed within black metal cylinders; each tube level can be adjusted [ie. levelled] independently on dull green mounting. Mounting has smooth upper surface; underside finish is same rough mottled-green as plotter.
Decoration: N/A

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Wild Heerbrugg, Level, simple, circa 1968–1970, Artifact no. 2004.1361, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.1361.009/

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