FR667300A - Improvements to electric eclipse lighting devices - Google Patents

Improvements to electric eclipse lighting devices

Info

Publication number
FR667300A
FR667300A FR667300DA FR667300A FR 667300 A FR667300 A FR 667300A FR 667300D A FR667300D A FR 667300DA FR 667300 A FR667300 A FR 667300A
Authority
FR
France
Prior art keywords
eclipse
electric
lighting devices
lighting
devices
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.)
Svenska AB Gasaccumulator
Original Assignee
Svenska AB Gasaccumulator
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 Svenska AB Gasaccumulator filed Critical Svenska AB Gasaccumulator
Application granted granted Critical
Publication of FR667300A publication Critical patent/FR667300A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/34Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR667300D 1929-01-12 1929-01-12 Improvements to electric eclipse lighting devices Expired FR667300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR667300T 1929-01-12

Publications (1)

Publication Number Publication Date
FR667300A true FR667300A (en) 1929-10-15

Family

ID=9014308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR667300D Expired FR667300A (en) 1929-01-12 1929-01-12 Improvements to electric eclipse lighting devices

Country Status (1)

Country Link
FR (1) FR667300A (en)

Similar Documents

Publication Publication Date Title
FR703219A (en) Improvements to filter devices
FR667300A (en) Improvements to electric eclipse lighting devices
FR681367A (en) Improvements to electrolytic devices
FR689312A (en) Improvements to vulcanizing devices
FR690510A (en) Improvements to electric discharge devices
FR702878A (en) Improvements to electric lamps
FR675508A (en) Improvements to electric projectors
FR697043A (en) Improvements to electrolytic devices
FR691701A (en) Improvements to lamp stations
FR37958E (en) Improvements to light discharge devices
FR689767A (en) Improvements to electric shock devices
FR679141A (en) Improvements to flying devices
FR681765A (en) Improvements to slide control devices
FR675717A (en) Improvements to refrigeration devices
FR689000A (en) Improvements to refrigeration devices
FR696762A (en) Improvements to electro-acoustic devices
FR705463A (en) Improvements to radio-electric devices
FR690418A (en) Improvements to telegraph devices
FR36392E (en) Improvements to advertising devices
FR681473A (en) Improvements to advertising devices
FR703239A (en) Improvements to spraying devices
FR688714A (en) Improvements to pendulum-regulated lens devices
FR677166A (en) Improvements to electric lamps
FR691984A (en) Improvements to massage devices
FR695833A (en) Improvements to electrical appliances