Grating, spectrograph
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1996.0246.001
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- OBJECT TYPE
- METAL/RECTANGULAR/FLAT SURFACE
- DATE
- 1935
- ARTIFACT NUMBER
- 1996.0246.001
- MANUFACTURER
- Bausch & Lomb Optical Co.
- MODEL
- Unknown
- LOCATION
- Rochester, New York, United States of America
More Information
General Information
- Serial #
- 124
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- SPECULUM METAL GRATING/ BRASS? MOUNT & FRAME/ WOOD BOX WITH BRASS SCREWS & FELT PADDING
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 24.1 cm
- Width
- 19.2 cm
- Height
- 7.1 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Astronomy
- Category
- Observation equipment
- Sub-Category
- N/A
Manufacturer
- AKA
- Bausch Lomb
- Country
- United States of America
- State/Province
- New York
- City
- Rochester
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
ACQUIRED FROM BABCOCK BY C.S. BEAL AND GERHARD HERZBERG; USED BY J.L. LOCKE AND LOUISE HERZBERG IN THEIR DISCOVERY OF CO IN THE SOLAR ATMOSPHERE./ USED AT DOMINION OBSERVATORY, CANADA'S PREDOMINANT ASTRONOMICAL OBSERVATORY WHICH OPERATED FROM 1905 TO 1970. - Function
-
DEVICE CONSISTING OF SERIES OF FINE, CLOSELY SPACED PARALLEL LINES ON METAL, USED TO DISPERSE LIGHT ACCORDING TO WAVELENGTH IN SPECTROSCOPY INSTRUMENT SUCH AS DIFFRACTION SPECTROMETER. - Technical
-
USED WITH NRC SOLAR TELESCOPE - Area Notes
-
Unknown
Details
- Markings
- Yellow mfr's label on grating back reads " BAUSCH & LOMB/ OPTICAL CO./ ROCHESTER, N.Y. U.S.A./ 16 [degrees]/ [logo]/ [symbol]mm. radius/ 200 GROOVES/mm / SERIAL NO. 124 ". "B&L #124" crudely incised on lower edge.
- Missing
- APPEARS COMPLETE
- Finish
- POLISHED GRATING/ BLACK PAINTED MOUNT & FRAME/ BROWN STAINED & VARNISHED? WOOD
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bausch & Lomb Optical Co., Grating, spectrograph, circa 1935, Artifact no. 1996.0246, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1996.0246.001/
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