CA399055A - Optical system - Google Patents

Optical system

Info

Publication number
CA399055A
CA399055A CA399055A CA399055DA CA399055A CA 399055 A CA399055 A CA 399055A CA 399055 A CA399055 A CA 399055A CA 399055D A CA399055D A CA 399055DA CA 399055 A CA399055 A CA 399055A
Authority
CA
Canada
Prior art keywords
optical system
optical
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
CA399055A
Other languages
French (fr)
Inventor
Mcdonald Ide John
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.)
Shell Development Co
Original Assignee
Shell Development Co
Publication date
Application granted granted Critical
Publication of CA399055A publication Critical patent/CA399055A/en
Expired legal-status Critical Current

Links

CA399055A Optical system Expired CA399055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399055T

Publications (1)

Publication Number Publication Date
CA399055A true CA399055A (en) 1941-09-02

Family

ID=35409523

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399055A Expired CA399055A (en) Optical system

Country Status (1)

Country Link
CA (1) CA399055A (en)

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