FR946381A - Lens for pendulum pendulum - Google Patents

Lens for pendulum pendulum

Info

Publication number
FR946381A
FR946381A FR946381DA FR946381A FR 946381 A FR946381 A FR 946381A FR 946381D A FR946381D A FR 946381DA FR 946381 A FR946381 A FR 946381A
Authority
FR
France
Prior art keywords
pendulum
lens
pendulum pendulum
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
Marcel-Julien Bourdeau
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 filed Critical
Application granted granted Critical
Publication of FR946381A publication Critical patent/FR946381A/en
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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/02—Oscillators acting by gravity, e.g. pendulum swinging in a plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR946381D 1947-04-30 1947-04-30 Lens for pendulum pendulum Expired FR946381A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR946381T 1947-04-30

Publications (1)

Publication Number Publication Date
FR946381A true FR946381A (en) 1949-06-01

Family

ID=9472884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR946381D Expired FR946381A (en) 1947-04-30 1947-04-30 Lens for pendulum pendulum

Country Status (1)

Country Link
FR (1) FR946381A (en)

Similar Documents

Publication Publication Date Title
FR57607E (en) Adherometer for vehicle
FR952781A (en) Pourer
FR946381A (en) Lens for pendulum pendulum
AT170592B (en) Lens system
FR1003696A (en) Watch faces
FR1007290A (en) Chromogens for blues
FR915097A (en) Concrete block for economical constructions
FR947964A (en) Dial system for spectacle spherometers
FR949858A (en) Pouring cap
FR941425A (en) Mirror
FR1015506A (en) Mirror
FI21613A (en) Prism camera
FR57921E (en) Mask for spearfishing
FR945324A (en) Truck for outdoor cinematographic shots
FR976318A (en) Precision casting
FR943142A (en) Motorcycle suspension
FR973752A (en) Derailleur for cycles
FR966007A (en) Apochromatic objectives for glasses
FR947649A (en) Transmission mechanism for spectacle spherometers
FR922497A (en) Lens pass
FR1002946A (en) Panel for light constructions
FR954396A (en) Watch box
FR967550A (en) Lantern for vehicles
FR944685A (en) screen for cinematographic projections
FR1005774A (en) Bezel for pendulums