FR473297A - Focusing device for film cameras - Google Patents

Focusing device for film cameras

Info

Publication number
FR473297A
FR473297A FR473297DA FR473297A FR 473297 A FR473297 A FR 473297A FR 473297D A FR473297D A FR 473297DA FR 473297 A FR473297 A FR 473297A
Authority
FR
France
Prior art keywords
focusing device
film cameras
cameras
film
focusing
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
Edwin Francis Harper
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 FR473297A publication Critical patent/FR473297A/en
Expired legal-status Critical Current

Links

FR473297D 1913-06-12 1914-06-11 Focusing device for film cameras Expired FR473297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB473297X 1913-06-12

Publications (1)

Publication Number Publication Date
FR473297A true FR473297A (en) 1915-01-07

Family

ID=43351431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR473297D Expired FR473297A (en) 1913-06-12 1914-06-11 Focusing device for film cameras

Country Status (1)

Country Link
FR (1) FR473297A (en)

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