Carrier, image

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OBJECT TYPE: PHOTOGRAMMETRIC PLOTTER
DATE: 1968–1970
ARTIFACT NUMBER: 2004.1375.002

MANUFACTURER: Wild Heerbrugg
MODEL: Wild Aviogon f=6" Pl. No. 41
LOCATION: Unknown

More Information

General Information

Serial #: N/A
Part Number: 2
Total Parts: 2
AKA: correction plate picture carrier
Patents: N/A
General Description: metal & glass

Dimensions

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

Length: 33.0 cm
Width: 30.4 cm
Height: 2.5 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: Unknown
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: presumably used c. 1960s- early 1990s.
Canada: Optional accessory for A8 plotter used in Canada's national mapping program c. late 1960s-early 1990s, and 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.
Function: To correct for distortion of the aerial camera lens which produced the image.
Technical: One of 2 correction plate picture carriers [presumably] used with plotter. Identical to picture carriers for A8 and A7 Universal Autograph, facilitating movement of mounted images directly from one machine to the other: as the two plotter models were often used within the same facility, this greatly facilitated operations and was an attractive feature. [Ref. 4, p. 50] The glass correction plates were ground to specification for the correction of the taking lens [of the aerial camera] or the mean distortion curve of a specific lens type: in this case, for the Aviogon 41. Pairs of plates were available as optional extra-cost eq. from Wild. The cross level (2004.1361.9) could be fitted to the holes in the frame. [Ref. 3]
Area Notes: Unknown

Details

Markings: "Wild Aviogon f=6" Pl No 41" printed in black on upper right edge of glass. "AVIOGON/ No41" crudely incised in lower left of frame.
Missing: Appears complete.
Finish: Metal frame has grey enamel painted finish: corners have brass-colour metal inserts on reverse; single glass pane secured within frame; metal clips.
Decoration: N/A

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

Wild Heerbrugg, Carrier, image, circa 1968–1970, Artifact no. 2004.1375, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2004.1375.002/

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