Recorder, drum
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1995.1598.002
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- OBJECT TYPE
- SEISMOGRAPH/PHOTOGRAPHIC
- DATE
- 1967–1983
- ARTIFACT NUMBER
- 1995.1598.002
- MANUFACTURER
- Sprengnether Instrument Co.
- MODEL
- Unknown
- LOCATION
- St. Louis, Missouri, United States of America
More Information
General Information
- Serial #
- 3324
- Part Number
- 2
- Total Parts
- 5
- AKA
- N/A
- Patents
- N/A
- General Description
- STEEL; SYNTHETIC; ELASTIC STRAPS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 159.0 cm
- Width
- 41.0 cm
- Height
- 39.0 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
- 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
- MFG'S PLATE: ‘[LOGO]/ SPRENGNETHER INSTRUMENT CO./ ST. LOUIS, MO./ U.S.A./ 3324'/ DECAL: ‘S-20021/ DO NOT REMOVE TAG'/ THREE PLATES ON TOP OF DEVICE: [1st plate]: ‘THUNDER BAY, ONTARIO ON-DATE-DEBUT/ 48 [degrees] 25' N 89 [degrees] 16' W/O OFF-DATE-FIN/ S.P./P.C. --Z--[ARROW] Ts 0.99 hs 0.79 Tg 0.23 hg 0.78/ UT/TU -CORR./ UT/TU-CORR./ MAG./AMP. @ 1 sec. 23,800/ Z/ (LHC)/ CAL./ 11/83'/ [2nd plate]: ‘THUNDER BAY, ONTARIO ON-DATE-DEBUT/ 48 [degrees] 25'N 89[degrees] 16' W/O OFF-DATE-FIN/ S.P./P.C.-N-[ARROW] Ts 0.98 hs 0.82 Tg 0.20 hg 0.84/ UT/TU -CORR./ UT/TU-CORR./ MAG./AMP. @ 1 sec. 23,300/N/ (LHC)/ CAL. 11/83'/ [3rd plate]: ‘THUNDER BAY, ONTARIO ON-DATE-DEBUT/ 48 [degrees] 25'N 89 [degrees] 16'W/O Off-date-fin/ S.P./P.C.-E-[ARROW] Ts.0.97 hs 0.90 Tg 0.23 hg 0.88/ UT/TU-CORR./ UT/TU-CORR./ MAG./AMP. @ 1sec. 23,100/E/ (LHC)/ CAL. 11/83'
- Missing
- From CA of 02/22/2002 by Matthew Bruce: No - appears complete
- Finish
- FRONT, BOTTOM & SIDE PANELS GREY TEXTURED FINISH/ BLACK KNOBS/ STAINLESS STEEL DRUM/ ELASTIC STRAPS/ HAS BLACK SLOTTED PLATES AFFIXED TO FRONT PANEL
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Sprengnether Instrument Co., Recorder, drum, between 1967–1983, Artifact no. 1995.1598, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1995.1598.002/
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