Engine, measuring
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Ingenium,
1970.0214.001
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- OBJECT TYPE
- PLATE/STAR SPECTRA
- DATE
- 1904
- ARTIFACT NUMBER
- 1970.0214.001
- MANUFACTURER
- TOEPFER, OTTO & SOHN
- MODEL
- Unknown
- LOCATION
- Potsdam, German Democratic Republic
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL/ GLASS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 31.5 cm
- Width
- 29.0 cm
- Height
- 48.2 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Metrology
- Category
- Miscellaneous
- Sub-Category
- N/A
Manufacturer
- AKA
- TOEPFER
- Country
- German Democratic Republic
- State/Province
- Unknown
- City
- Potsdam
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- C. 1905- C. 1960'S (MENTIONED IN CHIEF ASTRONOMER'S REPORT, 1907)
- 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
-
FOR MEASURING STAR SPECTRA - Technical
-
DESIGNED SPECIFICALLY FOR SPECTRASCOPIC STUDIES; UTILIZED 18TH & 19TH CENTURY MICROMETERS; USED PRECISION SCREWS TO FACILITATE MEASUREMENT TAKING; TOEPFER (ALONG WITH ZEISS (700222)) WAS AMONG THE LEADING MANUFACTURERS OF ITS TIME - ARTIFACT A GOOD DISPLAY OF THE GERMAN WORKMANSHIP IN THAT PERIOD. - Area Notes
-
Unknown
Details
- Markings
- ENGRAVED 'Otto Toepfer & Sohn/ Potsdam'/ ON LENS 'BAUSCH & LOMB OPT. CO.'
- Missing
- From CA of 01/18/2002 by Matthew Bruce: No - appears complete
- Finish
- BASE IS PAINTED BLACK, REST IS PRIMARILY BRASS- OR DULLSILVER-COLOURED WITH SOME BLACK PTS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
TOEPFER, OTTO & SOHN, Engine, measuring, circa 1904, Artifact no. 1970.0214, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1970.0214.001/
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