Galvanometer
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1975.0498.001
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- OBJECT TYPE
- DIFFERENTIAL/HORIZONTAL/MOVING IRON
- DATE
- 1800–1809
- ARTIFACT NUMBER
- 1975.0498.001
- MANUFACTURER
- Chloride of Silver Dry Cell Battery Co.
- MODEL
- Unknown
- LOCATION
- Baltimore, Maryland, United States of America
More Information
General Information
- Serial #
- 507
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOOD BASE/ BRASS LEVELLING KNOBS, FACE CASING & 2 TERMINALS/ EBONITE DIAL & POINTER PIVOT CASING/ METAL POINTER/ GLASS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 14.2 cm
- Height
- 7.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- Battery
- Country
- United States of America
- State/Province
- Maryland
- City
- Baltimore
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- AFTER 1800
- Canada
-
Unknown - Function
-
AN INSTRUMENT FOR DETECTING OR MEASURING A SMALL ELECTRICAL CURRENT BYMOVEMENTS OF A POINTER - Technical
-
MOVING IRON GALVANOMETERS WERE 1ST DISCUSSED BY G.C. PAGE (1845) BUT DIDN'T TAKE OFF COMMERCIALLY 'TIL 1880S. IDEA IS SIMILAR IN PRINCIPLE TO MARCEL DEPREZ'S "FISHBONE GALVANOMETER". A PIECE OF SOFT IRON WAS PUT IN A SOLENOID COIL BETWEEN POLES OF A POWERFUL PERMANENTMAGNET...(SEE COMPLETE WS IN S.I. & O:DRIVE S.I.) - Area Notes
-
Unknown
Details
- Markings
- ON FACE: GRADUATED SCALE:'250 TO 0' & '0 TO 250'/ MANUFACTURER: 'THE CHLORIDE OF SILVER DRY CELL BATTERY CO. BALTO. MD.'/ '507' STAMPED ONTO BASE TOP-FRONT
- Missing
- N/A
- Finish
- VARNISHED WOOD BASE
- Decoration
- WHITE SCRIPT MANUFACTURER'S INFORMATION/ WHITE GRADUATED SCALE
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Chloride of Silver Dry Cell Battery Co., Galvanometer, between 1800–1809, Artifact no. 1975.0498, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1975.0498.001/
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