FR50436A - - Google Patents

Info

Publication number
FR50436A
FR50436A FR50436DA FR50436A FR 50436 A FR50436 A FR 50436A FR 50436D A FR50436D A FR 50436DA FR 50436 A FR50436 A FR 50436A
Authority
FR
France
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
Publication date
Application granted granted Critical
Publication of FR50436A publication Critical patent/FR50436A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/023—Driving, e.g. by springs or common drive with the clockwork; gears; escapements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
FR50436D Expired FR50436A (fr)

Publications (1)

Publication Number Publication Date
FR50436A true FR50436A (fr) 1861-07-17

Family

ID=1363259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR50436D Expired FR50436A (fr)

Country Status (1)

Country Link
FR (1) FR50436A (fr)

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