CH75290A - Opaque material plate with luminous signs - Google Patents

Opaque material plate with luminous signs

Info

Publication number
CH75290A
CH75290A CH75290A CH75290DA CH75290A CH 75290 A CH75290 A CH 75290A CH 75290 A CH75290 A CH 75290A CH 75290D A CH75290D A CH 75290DA CH 75290 A CH75290 A CH 75290A
Authority
CH
Switzerland
Prior art keywords
material plate
opaque material
luminous signs
luminous
signs
Prior art date
Application number
CH75290A
Other languages
French (fr)
Inventor
Henri Meyer
Original Assignee
Henri Meyer
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 Henri Meyer filed Critical Henri Meyer
Publication of CH75290A publication Critical patent/CH75290A/en

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)
CH75290A 1916-10-31 1916-10-31 Opaque material plate with luminous signs CH75290A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH75290T 1916-10-31

Publications (1)

Publication Number Publication Date
CH75290A true CH75290A (en) 1917-11-16

Family

ID=4326571

Family Applications (1)

Application Number Title Priority Date Filing Date
CH75290A CH75290A (en) 1916-10-31 1916-10-31 Opaque material plate with luminous signs

Country Status (1)

Country Link
CH (1) CH75290A (en)

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