General Information

Serial #

1348

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

Black wrinkle textured finish on instrument body; smooth black painted finish on folding legs and mirror frames; silver metal knobs; mirrored glass

Dimensions

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

Length

63.0 cm

Width

23.0 cm

Height

20.8 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

Abrams

Country

United States of America

State/Province

Michigan

City

Lansing

Context

Country

Canada

State/Province

Quebec

Period

Presumably used 1946- August, 2003.

Canada

Unknown

Function

Instrument used to view pair of properly oriented photographs or diagrams to obtain visual impression of three-dimensional object. It enable user to obtain clearer image and be able to estimate relative heights of objects.

Technical

The mirror stereoscope is used to analyse aerial photographs. Using two properly oriented photographs, it provides the mental impression of a three-dimensional model. It enables the viewer to have a clearer image and be able to estimate relative heights of objects, in this case, trees. [Ref. 1]

Area Notes

Unknown

Details

Markings

Metal plate fixed to viewer reads "U.S.". Second plate fixed to viewer body reads "MAGNIFYING MIRROR/ STEREOSCOPE/ SERIAL NO. 1348 MODEL NO. SF-1/ MANUFACTURED BY/ ABRAMS INSTRUMENT CORPORATION/ LANSING, MICHIGAN U.S.A.".

Missing

Appears complete.

Finish

Black wrinkle textured finish on instrument body; smooth black painted finish on folding legs and mirror frames; silver metal knobs and endpiece on one leg; mirrored glass

Decoration

N/A