Key, telegraph
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1988.0311.001
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- OBJECT TYPE
- SEMI-AUTOMATIC
- DATE
- 1908–1914
- ARTIFACT NUMBER
- 1988.0311.001
- MANUFACTURER
- MECOGRAPH CO.
- MODEL
- Unknown
- LOCATION
- Cleveland, Ohio, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- IRON BASE/ BRASS WORKING PARTS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 15.0 cm
- Width
- 7.5 cm
- Height
- 5.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- MECOGRAPH
- Country
- United States of America
- State/Province
- Ohio
- City
- Cleveland
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- PROBABLY AFTER WWI
- Canada
-
PROBABLY USED IN CANADA BY DONOR'S FATHER. - Function
-
TO TRANSMIT TELEGRAPH CODE SIGNALS. - Technical
-
COULD TRANSMIT SIGNALS AT A FASTER RATE THAN WITH THE MANUAL KEY/ RELEASED SPRING TENSION TO CREATE AUTOMATIC DOTS. - Area Notes
-
Unknown
Details
- Markings
- ENGRAVED ON BRASS PLATES: 'Mecograph Co./ Cleveland, O./ U.S.A.' 'Patented FEB 13, '06/ MAY 28, '07/ MAY 5, '08'
- Missing
- ONE SPRING, KEY PADDLE & DISC, SWITCH KNOB From CA of 09/24/1996 by Kevin Machan: Yes - Missing part of phenolic finger button; finger button from switch.
- Finish
- Unknown
- Decoration
- 2 BRASS PLATE WITH MANUFACTURER AND PATENT INFORMATION
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
MECOGRAPH CO., Key, telegraph, between 1908–1914, Artifact no. 1988.0311, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0311.001/
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