FR657460A - Improvements to the electrical equipment of lighting devices - Google Patents

Improvements to the electrical equipment of lighting devices

Info

Publication number
FR657460A
FR657460A FR657460DA FR657460A FR 657460 A FR657460 A FR 657460A FR 657460D A FR657460D A FR 657460DA FR 657460 A FR657460 A FR 657460A
Authority
FR
France
Prior art keywords
electrical equipment
lighting devices
lighting
devices
electrical
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
Pierre Bas
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 FR657460A publication Critical patent/FR657460A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR657460D 1928-07-12 1928-07-12 Improvements to the electrical equipment of lighting devices Expired FR657460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR657460T 1928-07-12

Publications (1)

Publication Number Publication Date
FR657460A true FR657460A (en) 1929-05-23

Family

ID=9008435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR657460D Expired FR657460A (en) 1928-07-12 1928-07-12 Improvements to the electrical equipment of lighting devices

Country Status (1)

Country Link
FR (1) FR657460A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777553A (en) * 1971-01-22 1973-12-11 Custom Machine Inc Support for test head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777553A (en) * 1971-01-22 1973-12-11 Custom Machine Inc Support for test head

Similar Documents

Publication Publication Date Title
FR726012A (en) Electric lighting fixture
FR657460A (en) Improvements to the electrical equipment of lighting devices
FR668316A (en) Electric lighting fixture
FR724923A (en) Electric lighting equipment
FR720784A (en) Electric discharge lighting device
FR704813A (en) Improvements in electric lighting
FR647129A (en) Elastic electrical conductor
FR687282A (en) Improvements to electrical protection equipment
FR693583A (en) Improvements to electric lighting devices
FR675164A (en) Improvements to electrical switchgear installations
FR679084A (en) Lighting fixture
FR674332A (en) Improvements to medical electrical devices
FR628554A (en) Improvements to electric lighting devices
FR669819A (en) Improvement in the electrical equipment of gramophones
FR589972A (en) Improvements made to electrical lighting equipment
FR703487A (en) Improvements to the insulation of electrical conductors
FR618369A (en) Improvements to electric lighting devices
FR612219A (en) portable electric light equipment
FR630362A (en) Improvements to electric lighting installations
FR662579A (en) Improvements to electrical exhibition devices
FR665994A (en) Improvements to lighting devices
FR727746A (en) Electric lighting device
FR635999A (en) Improvements to the bases of electric discharge devices
FR678997A (en) Improvements to suspension devices for electric lighting devices
FR706063A (en) Electric discharge lighting tube