Ammeter
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1967.0715.001
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- OBJECT TYPE
- MILLIAMP/DC/PORTABLE/MOVING COIL
- DATE
- 1944
- ARTIFACT NUMBER
- 1967.0715.001
- MANUFACTURER
- ELLIOTT BROS. LTD.
- MODEL
- ELLIOTT
- LOCATION
- London, England
More Information
General Information
- Serial #
- D358983
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- WOODEN BOX/ BRASS/ METAL/ BAKELITE/ GLASS/ PLASTIC/ PAPER/ RUBBER/ LEATHER
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 22.5 cm
- Width
- 10.4 cm
- Height
- 20.2 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telegraphy
- Sub-Category
- N/A
Manufacturer
- AKA
- ELLIOTT
- Country
- England
- State/Province
- Unknown
- City
- London
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- Unknown
- Canada
-
Unknown - Function
-
AN INSTRUMENT USED FOR MEASURING THE STRENGTH OF AN ELECTRICAL CURRENT IN MILLI-AMPERES - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- ON REVERSE OF HINGED FRONT PANEL:'PORTABLE STANDARD MILLIAMMETER TYPEMOVINGCOIL/ (D.C.)/ NO.D358983/ THIS INSTRUMENT IS CALIBRATED IN INTERNATIONALMILLIAMPERES/ IT IS CORRECT AT 68 FAH., AND IF PROPERLY USED ITS READINGS MAY BE RELIED UPON TO WITHIN 0.5% OF MAX. SCALE VALUE./ RESISTANCE OF 150 MA RANGE=0.96 OHMS/ " " 50- 0.959 OHMS/ " G "OR [Y.YY] MA- 6.15 OHMS/ TEMP. CORRECTION NEGLIGIBLE/ MULTIPLY INST./ READINGS BY' (LAST 2 CROSSED OUT) 'ELLIOTT BROTHERSCENTURY WORKS, LEWISHAM./(LONDON) LIMITED. S.E.-13/ DATE 28TH OCT. 1944.'/ TOP BOX SECTION:GRADUATED SCALE '10, 0 TO 150'/ BOTTOM ADJUSTMENT SCREW PLATE:'SET/ZERO'/ COTC 9638
- Missing
- From CA of 07/26/1996 by Kevin Machan: Undetermined
- Finish
- VARNISHED BOX/ BLACK WRINKLED FINISH ON INTERIOR METAL PLATES
- Decoration
- MORTICE & TENON BOX JOINERY/ ROUND BOX CORNERS
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
ELLIOTT BROS. LTD., Ammeter, before 1944, Artifact no. 1967.0715, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1967.0715.001/
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