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1992.2037.001
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- OBJECT TYPE
- SCREW/SWITCHED/W. SHADE HOLDER
- DATE
- 1888
- ARTIFACT NUMBER
- 1992.2037.001
- MANUFACTURER
- Bergmann & Co.
- MODEL
- Unknown
- LOCATION
- New York, New York, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 3
- AKA
- N/A
- Patents
- N/A
- General Description
- .1 BRASS, COPPER ( AND POSSIBLY OTHER ?) METAL FITTINGS & KEY; COMPOSITION CONTACT STRIP HOUSING & POINT ON KEY; MICA INSULATING COLLAR/.2 BRASS/.3 BRASS & COMPOSITION MATERIALS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.0 cm
- Width
- 6.5 cm
- Height
- 6.6 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Energy-electric
- Category
- User site
- Sub-Category
- N/A
Manufacturer
- AKA
- Bergmann
- Country
- United States of America
- State/Province
- New York
- City
- New York
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- THIS TYPE OF SOCKET USED IN LATE 1880S+
- Canada
-
PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED & DOCUMENTED BY ONTARIO HYDRO IN THE 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND ISTHOUGHT TO BE THE LARGEST & MOST COMPREHENSIVE IN CANADA. IT WAS DONATED IN ITS ENTIRETY TO THE NATIONAL MUSEUM OF SCIENCE & TECHNOLOGY IN 1992. - Function
-
TO SUPPORT & CONNECT A LAMP BULB OR OTHER DEVICE WITHIN A FIXTURE. - Technical
-
EXAMPLE OF EARLY SCREW-TYPE SOCKET FITTED WITH KEY SWITCH AND CLAMP FOR SECURING LAMP SHADE TO FIXTURE. MICA COLLAR FITTED TO SOCKET WHERE THREADED SOCKET IS FIXED TO CONTACT SEAT (.1) - Area Notes
-
Unknown
Details
- Markings
- .1 no markings..2 " PATENTED/ DEC. 27, 1881/ MAY. 2, 1882/ JAN. 10, 1883/ FEB. 12, 1884/ MAY 13, 1884/ JAN. 20, 1885/ SEP. 11, 1888/ MANUFACTURED BY/ BERGMANN & CO. N.Y. " incised on casing..3 " PAT./ FEB. 12TH 1884 " incised in rim.
- Missing
- APPEARS COMPLETE. .3 SHADE HOLDER IS BADLY BENT.
- Finish
- ALL COMPONENTS APPEARS TO HAVE LACQUERED BRASS EXTERIOR FINISH, NOW BADLY WORN.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Bergmann & Co., Socket, after 1888, Artifact no. 1992.2037, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.2037.001/
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