General Information

Serial #

PROTOTYPE

Part Number

1

Total Parts

7

AKA

N/A

Patents

N/A

General Description

METAL, WITH GLASS LENSES/ CASE: WOOD WITH METAL HARDWARE, LEATHER HANDLE, & FELT PADDING

Dimensions

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

Length

26.0 cm

Width

8.0 cm

Height

13.5 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

Unknown

Country

Unknown

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

1940'S & 1950'S

Canada

DEVELOPED BY THE DOMINION FOREST SERVICE OF THE DEPT. OF MINES & RESOURCES, IN OTTAWA. FURTHER DEVELOPMENT GAVE RISE TO THE SEELYSCOPE BUT NONE OF THE DEVICES WERE WIDELY USED OUTSIDE CANADA OR CONTINUED IN USE.

Function

USED TO 'SUPERIMPOSE' AN AERIAL PHOTO ON TO A MAP IN SUCH A MANNER THAT BOTH HAVE THE SAME HORIZONTAL SCALE. DETAILS FROM THE PHOTO CAN THEN BE TRACED ON THE MAP QUICKLY & EASILY. REQUIRES THE USE OF ONLY ONE EYE.

Technical

CREATION OF A SIMPLE, PORTABLE &INEXPENSIVE INSTRUMENT FOR PRACTICAL APPLICATIONS IN THE FORESTRY INDUSTRY TO REPLACE THE HIGH PRECISION, RESEARCH INSTRUMENTS WHICH WERE BEING DEVELOPED IN OTHER COUNTRIES AT THE TIME.

Area Notes

Unknown

Details

Markings

SCRATCHED ON- 'M-2'/ CASE: HANDWRITTEN ON FRONT: 'MONOSCOPE M-2/ (TELESCOPE)'/ SCRATCHED: 'M-2'/ 'FRAGILE' STICKER ON TOP/ PAPER ATTACHED TO INSIDE LID: 'M2/ MONOSCOPE (Prototype)/ Consisting of the following:/ 1 centre assembly with telescope/ 2 large mirrors, 6 1/4" x 7 1/4" offset on 9" centres/ 2 slow-motion adjustment attachments/ 2 pr. of legs/ 2 bars'

Missing

ONE MIRROR; 2 BARS

Finish

BLACK WRINKLE FINISH/ CASE: BLACK GLOSS PAINT, GREEN FELT, BLACK HANDLE

Decoration

N/A