CH73600A - Process for making characters that glow in the dark - Google Patents

Process for making characters that glow in the dark

Info

Publication number
CH73600A
CH73600A CH73600A CH73600DA CH73600A CH 73600 A CH73600 A CH 73600A CH 73600 A CH73600 A CH 73600A CH 73600D A CH73600D A CH 73600DA CH 73600 A CH73600 A CH 73600A
Authority
CH
Switzerland
Prior art keywords
glow
dark
making characters
characters
making
Prior art date
Application number
CH73600A
Other languages
German (de)
Inventor
Ste Ame D Horlogerie Et Geneve
Original Assignee
Ame D Horlogerie Et Bijouterie
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 Ame D Horlogerie Et Bijouterie filed Critical Ame D Horlogerie Et Bijouterie
Publication of CH73600A publication Critical patent/CH73600A/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)
CH73600A 1916-06-29 1916-06-29 Process for making characters that glow in the dark CH73600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH73600T 1916-06-29

Publications (1)

Publication Number Publication Date
CH73600A true CH73600A (en) 1916-11-01

Family

ID=4323899

Family Applications (1)

Application Number Title Priority Date Filing Date
CH73600A CH73600A (en) 1916-06-29 1916-06-29 Process for making characters that glow in the dark

Country Status (1)

Country Link
CH (1) CH73600A (en)

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