Motor & generator set
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1992.1848.001
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- OBJECT TYPE
- AC TO DC/MG/COMPOUND GEN/SQUIRREL
- DATE
- 1925–1930
- ARTIFACT NUMBER
- 1992.1848.001
- MANUFACTURER
- ELECTRIC SPECIALTY CO.
- MODEL
- B625 (MOTOR)
- LOCATION
- Stamford, Connecticut, United States of America
More Information
General Information
- Serial #
- 41450
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOODEN BENCH (STAND) TO MOUNT COMPONENTS. CAST IRON BASE & END BELLS. STEEL MOTOR GENERATOR CASE. COMMON SHAFT & ARMATURE CORE OF LAMINATED STEEL. LAMINATED STEEL ROTOR; LAMINATED STEEL & COPPER FIELD, STATOR & ARMATURE. WINDINGS ARE INSULATED COPPER WIRE. COMMUTATOR IS COPPER WITH MICA INSULATION. CARBON BRUSHES; BAKELITE & ALUMINUM BRUSH HOLDERS; CAST STEEL BRUSH HOLDER MOUNT. BRONZE BEARINGS, SUMP LUBRICATION.
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 122.0 cm
- Width
- 30.0 cm
- Height
- 70.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Energy-electric
- Category
- Generation
- Sub-Category
- N/A
Manufacturer
- AKA
- ESCO
- Country
- United States of America
- State/Province
- Connecticut
- City
- Stamford
Context
- Country
- North America
- State/Province
- Unknown
- Period
- THIS TYPE OF MOTOR GENERATOR USED C. 1925- 1935.
- Canada
-
PART OF A LARGE & VARIED COLLECTION OF ELECTRICAL ITEMS ACQUIRED BY ONTARIO HYDRO IN THE 1960S. THIS COLLECTION CONSISTS OF OVER 7500 ARTIFACTS, AND IS THOUGHT 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 CONVERT 110V 60HZ ALTERNATING CURRENT INTO 1000V 5A DIRECT CURRENT. - Technical
-
EXAMPLE OF EARLY POWER SUPPLY SYSTEM PRIOR TO HIGH VOLTAGE, HIGH CURRENT, VACUUM TUBE (MERCURY RECTIFIER) TUBES. TODAY ( 1997) THIS SYSTEM WOULD BE SOLID STATE- THAT IS, TRANSFORMER & SOLID STATE RECTIFIER. PROBABLY USED IN BROADCAST RADIO TRANSMITTER DESIGNED C. 1922- 1930. (AS PER GEB) - Area Notes
-
Unknown
Details
- Markings
- Mfr's plate on motor end reads: " ELECTRIC SPECIALTY CO./ STAMFORD CONN. U.S.A./ TRADE [ESCO LOGO] MARK/ ALTERNATING CURRENT/ TYPE B625 VOLTS 110 H.P. 1/ PH. 1 CYC. 60 R.P.M. 3500/ NO. 41450 AMPS. FUSE ". Small plate mounted on band over join of motor & generator reads: " 792 ". Second plate, on generator end, reads: " ELECTRIC SPECIALTY CO./ STAMFORD, CONN.U.S.A./ TRADE [ESCO LOGO] MARK/ DIRECT-CURRENT/ TYPE R324 NO. 56119/ VOLTS 1000 AMP..5 R.P.M. 3500/ H.P. WIND'G COMP. FUSE AMP. "/ Plate on switch box reads: " PATENTED WARD LEONARD RHEOSTAT/ TYPE SPEC. NO. 19241/ VOLTS AMPS OHMS 1000/ WARD LEONARD ELECTRIC CO./ MOUNT VERNON, N.Y., U.S.A. "./ Fitted with " VOLTAGE FUSE ": text not accessible for transcription./ All connections, etc. labelled.
- Missing
- NONE
- Finish
- BLACK ENAMEL FINISH.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
ELECTRIC SPECIALTY CO., Motor & generator set, between 1925–1930, Artifact no. 1992.1848, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.1848.001/
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