General Information

Serial #

N/A

Part Number

1

Total Parts

5

AKA

N/A

Patents

N/A

General Description

BRASS CASING WITH GLASS OPTICS

Dimensions

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

Length

3.5 cm

Width

2.7 cm

Height

4.8 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Demonstration & teaching equipment

Sub-Category

N/A

Manufacturer

AKA

Unknown

Country

Germany

State/Province

Unknown

City

Unknown

Context

Country

Canada

State/Province

Unknown

Period

Unknown

Canada

ORIGINALLY THE PROPERTY OF CANADIAN GEOPHYSICIST DR. DAVID ARNOLD KEYS (1890-1977). ACCORDING TO HIS SON, SOME OF THIS EQUIPMENT WAS USED BY DR. KEYS IN DEMONSTRATIONS TO SCHOOL CHILDREN INTENDED TO STIMULATE INTEREST IN SCIENCE, OTHER PIECES DATE FROM HIS TIME AT GERMAN PHYSICIST WILHELM ROENTGEN'S LAB IN MUNICH, MCGILL UNIVERSITY & AECL. DR. KEYS WORKED WITH ROENTGEN IN MUNICH IN 1911 BEFORE EARNING A PHD AT CAMBRIDGE; HE WAS PROFESSOR OF PHYSICS AT MCGILL 1921-1947; HE WAS VP FOR ATOMIC ENERGY PROJECT AT NRC'S CHALK RIVER LABS 1947-1955; AND WAS AN AECL CONSULTANT UNTIL THE 1970'S.

Function

SMALL HAND HELD INSTRUMENT DESIGNED TO MAGNIFY OBJECTS TOO SMALL TO BE SEEN BY NAKED EYE OR IN TO BE SEEN IN DETAIL, IN THIS CASE SPECIMENS MOUNTED ON SLIDES. SLIDES ARE INSERTED INTO SPRING LOADED WINDOW & FOCUSSING ESTABLISHED BY PULLING OUT CELL WITH LENSES.

Technical

EXAMPLE OF GERMAN MADE SMALL HANDHELD MICROSCOPE

Area Notes

Unknown

Details

Markings

NONE

Missing

3 SLIDES From CA of 12/04/2001 by Matthew Bruce: Undetermined - empty slots indicate that slides may be missing

Finish

BRASS COLOURED METAL

Decoration

N/A