Source, light

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Ingenium, 1995.1598.004
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OBJECT TYPE: N/A
DATE: Unknown
ARTIFACT NUMBER: 1995.1598.004

MANUFACTURER: Sprengnether Instrument Co.
MODEL: Unknown
LOCATION: St. Louis, Missouri, United States of America

More Information

General Information

Serial #: N/A
Part Number: 4
Total Parts: 5
AKA: N/A
Patents: N/A
General Description: Unknown

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: N/A
Width: N/A
Height: N/A
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: PROBABLY THE 1960S UP TO THE 1980S
Canada: THESE RECORDERS WERE 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 1].
Function: USED TO RECORD THE MOVEMENT OF THE MIRRORS OF 3 GALVANOMETERS CONNECTED TO SEISMOMETERS IN ORDER TO PLOT THE EARTH'S MOTIONS AS A PHOTOGRAPHIC RECORD.
Technical: PREVIOUS MODELS RECORDED THE MOTION OF THE SEISMOMETER PENDULUM DIRECTLY WITH PEN ON PAPER; THIS DEVICE RECORDED THE MOTION AS REFLECTED FROM MIRRORS OF GALVANOMETERS ON TO PHOTOGRAPHIC PAPER; MODERN ONES RECORD THE CURRENT VARIATIONS OF ELECTROMAGNETS FEEDING INTO A COMPUTER [REF 1].
Area Notes: Unknown

Details

Markings: N/A
Missing: From CA of 02/22/2002 by Matthew Bruce: No - appears complete
Finish: Unknown
Decoration: N/A

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Sprengnether Instrument Co., Source, light, Unknown Date, Artifact no. 1995.1598, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1598.004/

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