FR727903A - Improvements to electric clocks - Google Patents

Improvements to electric clocks

Info

Publication number
FR727903A
FR727903A FR727903DA FR727903A FR 727903 A FR727903 A FR 727903A FR 727903D A FR727903D A FR 727903DA FR 727903 A FR727903 A FR 727903A
Authority
FR
France
Prior art keywords
electric clocks
clocks
electric
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)
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.)
S Smith and Sons Ltd
S Smith and Sons Motor Accesories Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons Motor Accesories Ltd
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 S Smith and Sons Ltd, S Smith and Sons Motor Accesories Ltd filed Critical S Smith and Sons Ltd
Application granted granted Critical
Publication of FR727903A publication Critical patent/FR727903A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00—Clocks driven by synchronous motors
    • G04C15/0009—Clocks driven by synchronous motors without power-reserve
    • G04C15/0018—Clocks driven by synchronous motors without power-reserve provided with hand-actuated starting device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR727903D 1931-04-23 1931-12-05 Improvements to electric clocks Expired FR727903A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB727903X 1931-04-23

Publications (1)

Publication Number Publication Date
FR727903A true FR727903A (en) 1932-06-27

Family

ID=10495364

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727903D Expired FR727903A (en) 1931-04-23 1931-12-05 Improvements to electric clocks

Country Status (1)

Country Link
FR (1) FR727903A (en)

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