Converter, static frequency
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1968.0475.001
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- OBJECT TYPE
- SUB-CYCLE
- DATE
- 1940
- ARTIFACT NUMBER
- 1968.0475.001
- MANUFACTURER
- LORAIN PRODUCTS CORP.
- MODEL
- M-7.5
- LOCATION
- Lorain, Ohio, United States of America
More Information
General Information
- Serial #
- 23052
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- STEEL CHASSIS/ METAL & SYNTHETIC WORKING PARTS/ SYNTHETIC CORD
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 28.0 cm
- Width
- 13.0 cm
- Height
- 18.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- LORAIN
- Country
- United States of America
- State/Province
- Ohio
- City
- Lorain
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1940-1960
- Canada
-
Unknown - Function
-
CONVERTS 60 Hz 110 VOLT COMMERCIAL POWER TO 20 Hz 90V RINGING CURRENT TO RING EXTENSION TELEPHONES IN A PBX THAT DOES NOT HAVE ACCESS TO CENTRAL OFFICE RINGING CURRENT. - Technical
-
AN ECONOMICAL MEANS TO GENERATE RINGING POWER TO REPLACEROTARY CONVERTORS OR TO USE CABLE PAIRS FROM A CENTRAL OFFICE. - Area Notes
-
Unknown
Details
- Markings
- PLATE ON TOP: 'TRADE MARK/ REG. U.S. PAT. OFF./ SUB-CYCLE/ PATS/ 1,633,481 2,088,619/ 2,088,618 2,179,3[?]/ STATIC FREQUENCY CONVERTER/ VOLTS WATTS FREQUENCY/ INPUT 115 45 60/ OUTPUT 75-110 7.5 20/ KS-5585 LIST.NO. 06/ ON END: '1 1/2 AMP/ INPUT/ 105-125 V. 60 OUTPUT/ 90V.-20/ GRD./[UNDERWRITERS DECAL]
- Missing
- N/A
- Finish
- CHASSIS, BLACK WRINKLE ENAMEL/ TRANSFORMER, INDUCTOR AND SUB-CYCLE, GLOSS BLACK ENAMEL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
LORAIN PRODUCTS CORP., Converter, static frequency, circa 1940, Artifact no. 1968.0475, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1968.0475.001/
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