GB250033A - Improvements in or relating to devices for marking materials rendered sensitive to light - Google Patents

Improvements in or relating to devices for marking materials rendered sensitive to light

Info

Publication number
GB250033A
GB250033A GB1114825A GB1114825A GB250033A GB 250033 A GB250033 A GB 250033A GB 1114825 A GB1114825 A GB 1114825A GB 1114825 A GB1114825 A GB 1114825A GB 250033 A GB250033 A GB 250033A
Authority
GB
United Kingdom
Prior art keywords
light
relating
devices
marking materials
rendered sensitive
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
GB1114825A
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.)
LESLIE MAURICE STUBBS
Original Assignee
LESLIE MAURICE STUBBS
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 LESLIE MAURICE STUBBS filed Critical LESLIE MAURICE STUBBS
Priority to GB1114825A priority Critical patent/GB250033A/en
Publication of GB250033A publication Critical patent/GB250033A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C11/00—Auxiliary processes in photography
    • G03C11/02—Marking or applying text

Abstract

250,033. Stubbs, L. M. April 29, 1925. Pencil holders.-A device for marking photographic sensitive films &c. comprises a casing enclosing a source of light and provided with a tube e adapted to direct the light to a point. A length of black lead or other marking material may be mounted on the tube e at the point e<2> to to produce visible markings for service before the markings impressed by light are revealed by development.
GB1114825A 1925-04-29 1925-04-29 Improvements in or relating to devices for marking materials rendered sensitive to light Expired GB250033A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1114825A GB250033A (en) 1925-04-29 1925-04-29 Improvements in or relating to devices for marking materials rendered sensitive to light

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1114825A GB250033A (en) 1925-04-29 1925-04-29 Improvements in or relating to devices for marking materials rendered sensitive to light

Publications (1)

Publication Number Publication Date
GB250033A true GB250033A (en) 1926-04-08

Family

ID=9980904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1114825A Expired GB250033A (en) 1925-04-29 1925-04-29 Improvements in or relating to devices for marking materials rendered sensitive to light

Country Status (1)

Country Link
GB (1) GB250033A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498692A (en) * 1967-11-09 1970-03-03 Philco Ford Corp Light pen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3498692A (en) * 1967-11-09 1970-03-03 Philco Ford Corp Light pen

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