FR429182A - Indicator device illuminated in the dark - Google Patents

Indicator device illuminated in the dark

Info

Publication number
FR429182A
FR429182A FR429182DA FR429182A FR 429182 A FR429182 A FR 429182A FR 429182D A FR429182D A FR 429182DA FR 429182 A FR429182 A FR 429182A
Authority
FR
France
Prior art keywords
dark
indicator device
device illuminated
illuminated
indicator
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.)
VEREINIGTE UHRENFABRIKEN VON Gebr JUNGHANS UN
Original Assignee
VEREINIGTE UHRENFABRIKEN VON Gebr JUNGHANS UN
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 VEREINIGTE UHRENFABRIKEN VON Gebr JUNGHANS UN filed Critical VEREINIGTE UHRENFABRIKEN VON Gebr JUNGHANS UN
Application granted granted Critical
Publication of FR429182A publication Critical patent/FR429182A/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
    • G04B19/00—Indicating the time by visual means
    • G04B19/30—Illumination of dials or hands
    • G04B19/32—Illumination of dials or hands by luminescent substances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR429182D 1911-05-01 1911-05-01 Indicator device illuminated in the dark Expired FR429182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR429182T 1911-05-01

Publications (1)

Publication Number Publication Date
FR429182A true FR429182A (en) 1911-09-16

Family

ID=1471534

Family Applications (1)

Application Number Title Priority Date Filing Date
FR429182D Expired FR429182A (en) 1911-05-01 1911-05-01 Indicator device illuminated in the dark

Country Status (1)

Country Link
FR (1) FR429182A (en)

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