General Information

Serial #

41953

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

METAL, GLASS & SYNTHETIC CONSTRUCTION. CW CAST IRON LEVELLING FEET.

Dimensions

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

Length

90.0 cm

Width

55.0 cm

Height

36.2 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Physics

Category

Light & electromagnetic radiation

Sub-Category

N/A

Manufacturer

AKA

Zeiss

Country

German Democratic Republic

State/Province

Unknown

City

Jena

Context

Country

Canada

State/Province

Ontario

Period

THIS INSTRUMENT PROBABLY USED, WITH MODIFICATIONS, C.1930 TO MID 1980S.

Canada

USED IN THE NATIONAL RESEARCH COUNCIL'S SPECTROSCOPY LABORATORIES, WHOSE HIGH STANDARDS AND GROUND BREAKING RESEARCH HELPED TO ESTABLISH NRC'S INTERNATIONAL REPUTATION IN THIS FIELD.

Function

USED TO RECORD SPECTRA ON PHOTOGRAPHIC FILM.

Technical

SMALL, TABLE-TOP SIZE SPECTOGRAPH INCORPORATING A BUILT-IN PRISM SYSTEM. THE GRATINGASSEMBLY (930315) IS HOUSED WITHIN THE CIRCULAR CHAMBER, WHICH WAS ALMOST CERTAINLY BUILT AT NRC, AND ADDED TO THE INSTRUMENT IN THE 1950S.

Area Notes

Unknown

Details

Markings

" CARL ZEISS/ JENA " appears on four sliding supports which secure instrument to rails, and on arm and film assembly components. Decal on inside of one support reads in part " THE/ PRECISION [TABLE ?]/ INSTRUMENT [CO.] LTD./ THORNTON HEATH/ [SUR]REY ENG."/ Serial nos. "41953" and "42649" (film plate) incised on components./ One lens (internal, accessed via grating chamber) reads "Carl Zeiss Jena Germany Nr. 41953". "REAR" incised crudely on grating platform. Micrometers, scales, etc. bear incised markings.

Missing

MISSING LIGHT SOURCE (S) USED WITH THIS INSTRUMENT. SOME MINOR FITTINGS (IE KNOB TO SECURE POSITION OF SLIDING TUBE BEHIND FILM PLATE) MISSING.

Finish

BRUSHED ALUMINUM TRIANGULAR-SHAPED BASE FITTED WITH PHENOLIC KNOBS FOR THREADED LEVELLING FEET (3). TRIANGULAR IRON RAILS FORM V, ON WHICH INSTRUMENT CAN BE MOVED. SPECTROGRAPH PROPER IS PREDIMINANTLY BLACK: PEBBLE TEXTURED FINISH ON GRATING CHAMBER AND CONNECTING TUBES. SMOOTH FINISHES APPLIED TO EACH ARM OF INSTRUMENT: FINISH ON SECTION BEHIND FILM HOUSING HAS BEEN DAMAGED.

Decoration

N/A