Seismograph component
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1995.1595.001
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- OBJECT TYPE
- LONG PERIOD/HORIZONTAL/NS
- DATE
- 1967
- ARTIFACT NUMBER
- 1995.1595.001
- MANUFACTURER
- Sprengnether Instrument Co.
- MODEL
- Unknown
- LOCATION
- St. Louis, Missouri, United States of America
More Information
General Information
- Serial #
- 1948
- Part Number
- 1
- Total Parts
- 5
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL - STEEL AND IRON/ SYNTHETIC KNOBS AND SPOOLS/ BRASS FEET/ COPPER WIRE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 65.0 cm
- Width
- 65.0 cm
- Height
- 58.5 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Physics
- Category
- Geophysics
- Sub-Category
- N/A
Manufacturer
- AKA
- Sprengnether
- Country
- United States of America
- State/Province
- Missouri
- City
- St. Louis
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- THIS ONE USED FROM 1967 PROBABLY TO THE 1980S. PROBABLY STARTED BEING MADE C. 1951
- Canada
-
THIS DEVICE WAS PART OF A SEISMOGRAPH STATION WHICH WAS ONE OF ABOUT 2 DOZEN THAT WERE INSTALLED ACROSS CANADA IN THE GSC'S NETWORK TO MONITOR ACTIVITY OF THE EARTH'S CRUST TO DETERMINE THE LOCATION OF EARTHQUAKES. THIS INFORMATION WAS USED BY RESEARCHERS STUDYING DYNAMICS OF THE EARTH'S CRUST & PLATE DYNAMICS [REF 3] - Function
-
INSTRUMENT FOR MEASURING MOTIONS OF THE GROUND THAT RESULT FROM NATURAL DISTURBANCES SUCH AS EARTH QUAKES AND EXPLOSIONS [REF 2] - Technical
-
SEISMOGRAPHS HAVE UTILIZED PENDULUMS AS THE MOTION SENSING DEVICE FOR 1 1/2 C. THIS ONE USES SENSITIVE ELECTROMAGNETS TO DETECT PENDULUM MOTION WHICH IN TURN RECORDED MOTION OF A MIRROR IN A GALVANOMETER ON PHOTOGRAPHIC PAPER. MODERN ONES RECORD THE CURRENT VARIATIONS IN THE ELECTROMAGNETS FEEDING INTO A COMPUTER [REF 3] - Area Notes
-
Unknown
Details
- Markings
- .1 MFG PLATE ON BASE: '[LOGO]/ SPRENGNETHER INSTRUMENT CO./ ST. LOUIS, MO./ U.S.A./ 1948'/ DECALS ON COVER: 'SPRENGNETHER/ INSTRUMENT CO./ U.S.A.''S-50383/ DO NOT REMOVE THIS TAG'/.2 HANDWRITTEN ON TOP: 'LHC/ PN/ 1948/ A B'/.3 HANDWRITTEN ON TOP: '1948 B'/.4 HANDWRITTEN ON TOP: '1948 A'/.5 HANDWRITTEN ON SIDE: '1948'
- Missing
- PROBABLY MOLDING AROUND BOTTOM OF COVER From CA of 02/21/2002 by Matthew Bruce: No - appears complete
- Finish
- .1 HAMMELIN GREY FINISH ON COVER & INTERIOR BRACKETS/ SILVER PAINT ON BASE/ BLACK KNOBS & MAGNETS/.2 HAMMELIN GREY/.3 CLEAR SPOOL WITH COPPER WIRE/.4 CLEAR SPOOL WITH PINK WIRE/.5 HAMMELIN GREY/ FEET LACQUERED
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Sprengnether Instrument Co., Seismograph component, 1967, Artifact no. 1995.1595, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1595.001/
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