CA140323A - Photographic focusing device - Google Patents

Photographic focusing device

Info

Publication number
CA140323A
CA140323A CA000140323A CA140323DA CA140323A CA 140323 A CA140323 A CA 140323A CA 000140323 A CA000140323 A CA 000140323A CA 140323D A CA140323D A CA 140323DA CA 140323 A CA140323 A CA 140323A
Authority
CA
Canada
Prior art keywords
focusing device
photographic focusing
photographic
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
CA000140323A
Other languages
French (fr)
Inventor
Lodewyk Jan Rutger Holst
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.)
WILLIAMS BROWN AND EARLE
Original Assignee
WILLIAMS BROWN AND EARLE
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 WILLIAMS BROWN AND EARLE filed Critical WILLIAMS BROWN AND EARLE
Application granted granted Critical
Publication of CA140323A publication Critical patent/CA140323A/en
Expired legal-status Critical Current

Links

CA000140323A 1912-01-02 1912-01-02 Photographic focusing device Expired CA140323A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA140323T 1912-01-02

Publications (1)

Publication Number Publication Date
CA140323A true CA140323A (en) 1912-05-14

Family

ID=45260039

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000140323A Expired CA140323A (en) 1912-01-02 1912-01-02 Photographic focusing device

Country Status (1)

Country Link
CA (1) CA140323A (en)

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