FR446042A - Improvements in electric projectors - Google Patents

Improvements in electric projectors

Info

Publication number
FR446042A
FR446042A FR446042DA FR446042A FR 446042 A FR446042 A FR 446042A FR 446042D A FR446042D A FR 446042DA FR 446042 A FR446042 A FR 446042A
Authority
FR
France
Prior art keywords
projectors
electric
electric projectors
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
Officine Galileo
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.)
GALILEO OFF
Original Assignee
GALILEO OFF
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 GALILEO OFF filed Critical GALILEO OFF
Application granted granted Critical
Publication of FR446042A publication Critical patent/FR446042A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B31/00—Electric arc lamps
    • H05B31/003—Electric arc lamps of a special type
    • H05B31/0036—Electric arc lamps of a special type for projection, copying or stage lighting
FR446042D 1912-02-08 1912-07-13 Improvements in electric projectors Expired FR446042A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT446042X 1912-02-08

Publications (1)

Publication Number Publication Date
FR446042A true FR446042A (en) 1912-11-25

Family

ID=1486861

Family Applications (1)

Application Number Title Priority Date Filing Date
FR446042D Expired FR446042A (en) 1912-02-08 1912-07-13 Improvements in electric projectors

Country Status (1)

Country Link
FR (1) FR446042A (en)

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