CA140760A - Focusing apparatus for photographic lenses - Google Patents

Focusing apparatus for photographic lenses

Info

Publication number
CA140760A
CA140760A CA000140760A CA140760DA CA140760A CA 140760 A CA140760 A CA 140760A CA 000140760 A CA000140760 A CA 000140760A CA 140760D A CA140760D A CA 140760DA CA 140760 A CA140760 A CA 140760A
Authority
CA
Canada
Prior art keywords
focusing apparatus
photographic lenses
photographic
lenses
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
CA000140760A
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.)
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 CA140760A publication Critical patent/CA140760A/en
Expired legal-status Critical Current

Links

CA000140760A 1912-02-10 1912-02-10 Focusing apparatus for photographic lenses Expired CA140760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA140760T 1912-02-10

Publications (1)

Publication Number Publication Date
CA140760A true CA140760A (en) 1912-05-28

Family

ID=45260476

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000140760A Expired CA140760A (en) 1912-02-10 1912-02-10 Focusing apparatus for photographic lenses

Country Status (1)

Country Link
CA (1) CA140760A (en)

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