FR424450A - Improvements to electrical measuring instruments - Google Patents

Improvements to electrical measuring instruments

Info

Publication number
FR424450A
FR424450A FR424450DA FR424450A FR 424450 A FR424450 A FR 424450A FR 424450D A FR424450D A FR 424450DA FR 424450 A FR424450 A FR 424450A
Authority
FR
France
Prior art keywords
measuring instruments
electrical measuring
electrical
instruments
measuring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Ethelbert Thomas Ruthven Murray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETHELBERT THOMAS RUTHVEN MURRA
Original Assignee
ETHELBERT THOMAS RUTHVEN MURRA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ETHELBERT THOMAS RUTHVEN MURRA filed Critical ETHELBERT THOMAS RUTHVEN MURRA
Application granted granted Critical
Publication of FR424450A publication Critical patent/FR424450A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
    • G01R11/56—Special tariff meters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR424450D 1909-12-10 1910-12-09 Improvements to electrical measuring instruments Expired FR424450A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB424450X 1909-12-10

Publications (1)

Publication Number Publication Date
FR424450A true FR424450A (en) 1911-05-13

Family

ID=1467194

Family Applications (1)

Application Number Title Priority Date Filing Date
FR424450D Expired FR424450A (en) 1909-12-10 1910-12-09 Improvements to electrical measuring instruments

Country Status (1)

Country Link
FR (1) FR424450A (en)

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