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The contributions of Carl Friedrich Gauss to geomagnetism
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1900-01-01
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Способ и устройство идентификации постоянных магнитов по объемной намагниченности
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Instruments
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1955-10-19
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1906-07-26
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1943-07-19
Improvements in or relating to damping apparatus for electrical measuring instruments
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1962-01-10
Improvements in or relating to ammeters
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1979-11-25
Устройство дл измерени магнитной индукции
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1912-09-19
Improvements in and relating to Electrical Measuring Instruments having Moveable Coils.
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1949-08-19
Improvements in or relating to luxmeters
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1954-11-17
Improvements relating to a method of and apparatus for testing non-magnetic material
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1928-05-24
Improvements in or relating to instruments for measuring the field strength of permanent magnets
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電圧計
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Industrial electrical measuring instruments. A review of progress
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Measurements Section: Chairman's address. Developments in the teaching of electrical measurements
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1961-02-01
Improvements in moving coil instruments
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1913-01-30
Improvements in Electrical Measuring and Signalling Instruments of the Moving Coil Type.
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1961-04-06
Improvements in or relating to precision balances
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1959-03-18
Improvements in or relating to electrical current measuring instruments
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