Key, telegraph
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1978.0490.001
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- OBJECT TYPE
- DOUBLE SPEED/DOUBLE LEVERS
- DATE
- 1939–1950
- ARTIFACT NUMBER
- 1978.0490.001
- MANUFACTURER
- HANSON, MELVIN E.
- MODEL
- MELEHAN VALIANT
- LOCATION
- Huntington Beach, California, United States of America
More Information
General Information
- Serial #
- DL-6 403
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- CAST STEEL BASE, MECHANISM & FITTINGS. ALL NICKEL PLATED/ EBONITE OPERATING HANDLE & RESTS/ RUBBER WASHERS.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 21.0 cm
- Width
- 12.0 cm
- Height
- 8.4 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- HANSON
- Country
- United States of America
- State/Province
- California
- City
- Huntington Beach
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- 1939-1950
- Canada
-
Unknown - Function
-
A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES. - Technical
-
THE DESIGN CHANGE PROVIDED DOUBLE THE SPEED OF SINGLE SIDE LEVER KEYS - Area Notes
-
Unknown
Details
- Markings
- ON MANUFACTURER'S PLATE: 'THE MELEHAN/ VALIANT/ MELVIN E. HANSON/ HUNTINGTON BEACH, CALIF./ PAT. PEND SER. DL-6 403'. INCISED MARKINGS.
- Missing
- From CA of 09/19/1996 by Kevin Machan: Undetermined
- Finish
- NICKEL PLATED COMPONENTS
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
HANSON, MELVIN E., Key, telegraph, between 1939–1950, Artifact no. 1978.0490, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0490.001/
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