FR416822A - Dispositif électro-magnétique perfectionné - Google Patents

Dispositif électro-magnétique perfectionné

Info

Publication number
FR416822A
FR416822A FR416822DA FR416822A FR 416822 A FR416822 A FR 416822A FR 416822D A FR416822D A FR 416822DA FR 416822 A FR416822 A FR 416822A
Authority
FR
France
Prior art keywords
magnetic device
advanced electro
electro
advanced
magnetic
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
English (en)
Inventor
Walter A Crowdus
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.)
WALTER A CROWDUS
Original Assignee
WALTER A CROWDUS
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 WALTER A CROWDUS filed Critical WALTER A CROWDUS
Application granted granted Critical
Publication of FR416822A publication Critical patent/FR416822A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
    • G04F1/04—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers by movement or acceleration due to gravity
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR416822D 1910-06-06 1910-06-06 Dispositif électro-magnétique perfectionné Expired FR416822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR416822T 1910-06-06

Publications (1)

Publication Number Publication Date
FR416822A true FR416822A (fr) 1910-10-29

Family

ID=1460284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR416822D Expired FR416822A (fr) 1910-06-06 1910-06-06 Dispositif électro-magnétique perfectionné

Country Status (1)

Country Link
FR (1) FR416822A (fr)

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