General Information

Serial #

1133

Part Number

1

Total Parts

2

AKA

N/A

Patents

N/A

General Description

.1 METAL, (SOME BRASS), GLASS

Dimensions

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

Length

36.5 cm

Width

16.5 cm

Height

31.4 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Astronomy

Category

Research

Sub-Category

N/A

Manufacturer

AKA

Zeiss

Country

German Democratic Republic

State/Province

Unknown

City

Jena

Context

Country

Canada

State/Province

Ontario

Period

C. 1901 - C. 1965

Canada

THE EARLY SPECTRASCOPIC STUDIES AT THE DOMINION OBSERVATORY RESULTED IN THE CREATION OF THE DOMINION ASTROPHYSICAL OBSERVATORY WHICH PUT CANADA AT THE FOREFRONT OF SUCH STUDIES/ MEASURING MACHINES WERE A KEY ELEMENT OF RESEARCH EQUIPMENT FOR THESE STUDIES

Function

TO MEASURE STELLAR SPECTRA - POSITIONS OF STELLAR LINES MEASURED WITH COMPARISON LINES PLACED ON SPECTRUM AT TIME OF EXPOSURE

Technical

UTILIZED 18TH & 19TH CENTURY MICROMETERS; USED PRECISION SCREWS TO FACILITATE MEASUREMENT TAKING; ZEISS (ALONG WITH TOEPFER (700214 & 700221)) WAS ONE OF THE LEADING MANUFACTURERS OF ITS TIME - ARTIFACT IS A GOOD DISPLAY OFGERMAN WORKMANSHIP OF THE PERIOD.

Area Notes

Unknown

Details

Markings

.1 ENGRAVED 'Carl Zeiss, Jena/ No.1133'/ ON ONE LEG OF BASE 'DOM. OBS./ 102'

Missing

From CA of 11/07/2001 by Matthew Bruce: No - Complete

Finish

.1 BASE HAS BLACK PEBBLED FINISH, BODY PAINTED BLACK WITH BRASS-COLOURED PTS, TUBES OF TELESCOPES SILVERY-GOLD METAL, SOME HARDWARE HAS CHROME-LIKE FINISH

Decoration

N/A