CH61719A - Leuchtuhr für Dunkelkammern - Google Patents

Leuchtuhr für Dunkelkammern

Info

Publication number
CH61719A
CH61719A CH61719A CH61719DA CH61719A CH 61719 A CH61719 A CH 61719A CH 61719 A CH61719 A CH 61719A CH 61719D A CH61719D A CH 61719DA CH 61719 A CH61719 A CH 61719A
Authority
CH
Switzerland
Prior art keywords
darkrooms
light clock
clock
light
Prior art date
Application number
CH61719A
Other languages
English (en)
Inventor
Graft Pueckler Erdmann
Original Assignee
Graft Pueckler Erdmann
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 Graft Pueckler Erdmann filed Critical Graft Pueckler Erdmann
Publication of CH61719A publication Critical patent/CH61719A/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH61719A 1912-11-05 1912-11-05 Leuchtuhr für Dunkelkammern CH61719A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH61719T 1912-11-05

Publications (1)

Publication Number Publication Date
CH61719A true CH61719A (de) 1913-10-16

Family

ID=4305390

Family Applications (1)

Application Number Title Priority Date Filing Date
CH61719A CH61719A (de) 1912-11-05 1912-11-05 Leuchtuhr für Dunkelkammern

Country Status (1)

Country Link
CH (1) CH61719A (de)

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