FR422774A - Device for adjusting the speed of photographic shutters - Google Patents

Device for adjusting the speed of photographic shutters

Info

Publication number
FR422774A
FR422774A FR422774DA FR422774A FR 422774 A FR422774 A FR 422774A FR 422774D A FR422774D A FR 422774DA FR 422774 A FR422774 A FR 422774A
Authority
FR
France
Prior art keywords
adjusting
speed
photographic shutters
shutters
photographic
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)
Inventor
Wilfred Hunt
William Taylor
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR422774A publication Critical patent/FR422774A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR422774D 1910-02-15 1910-11-19 Device for adjusting the speed of photographic shutters Expired FR422774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB422774X 1910-02-15

Publications (1)

Publication Number Publication Date
FR422774A true FR422774A (en) 1911-03-30

Family

ID=1465693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR422774D Expired FR422774A (en) 1910-02-15 1910-11-19 Device for adjusting the speed of photographic shutters

Country Status (1)

Country Link
FR (1) FR422774A (en)

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