CA487100A - Focussing device - Google Patents

Focussing device

Info

Publication number
CA487100A
CA487100A CA487100A CA487100DA CA487100A CA 487100 A CA487100 A CA 487100A CA 487100 A CA487100 A CA 487100A CA 487100D A CA487100D A CA 487100DA CA 487100 A CA487100 A CA 487100A
Authority
CA
Canada
Prior art keywords
focussing device
focussing
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
CA487100A
Other languages
French (fr)
Inventor
P. Quam James
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.)
QUAM-NICHOLS Co
Original Assignee
QUAM-NICHOLS Co
Publication date
Application granted granted Critical
Publication of CA487100A publication Critical patent/CA487100A/en
Expired legal-status Critical Current

Links

CA487100A Focussing device Expired CA487100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA487100T

Publications (1)

Publication Number Publication Date
CA487100A true CA487100A (en) 1952-10-07

Family

ID=35626816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA487100A Expired CA487100A (en) Focussing device

Country Status (1)

Country Link
CA (1) CA487100A (en)

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