FR413986A - Perfectionnements aux projecteurs - Google Patents

Perfectionnements aux projecteurs

Info

Publication number
FR413986A
FR413986A FR413986DA FR413986A FR 413986 A FR413986 A FR 413986A FR 413986D A FR413986D A FR 413986DA FR 413986 A FR413986 A FR 413986A
Authority
FR
France
Prior art keywords
refinements
projector
projector refinements
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
English (en)
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.)
BARBIER SOC
Original Assignee
BARBIER SOC
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 BARBIER SOC filed Critical BARBIER SOC
Application granted granted Critical
Publication of FR413986A publication Critical patent/FR413986A/fr
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
    • H05B31/0039—Projectors, the construction of which depends upon the presence of the arc
FR413986D 1910-03-24 1910-03-24 Perfectionnements aux projecteurs Expired FR413986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR413986T 1910-03-24

Publications (1)

Publication Number Publication Date
FR413986A true FR413986A (fr) 1910-08-23

Family

ID=1457728

Family Applications (1)

Application Number Title Priority Date Filing Date
FR413986D Expired FR413986A (fr) 1910-03-24 1910-03-24 Perfectionnements aux projecteurs

Country Status (1)

Country Link
FR (1) FR413986A (fr)

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