Seismograph component

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Ingenium, 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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