CA494607A - Optical systems comprising a positive member and a weak auxiliary member - Google Patents

Optical systems comprising a positive member and a weak auxiliary member

Info

Publication number
CA494607A
CA494607A CA494607A CA494607DA CA494607A CA 494607 A CA494607 A CA 494607A CA 494607 A CA494607 A CA 494607A CA 494607D A CA494607D A CA 494607DA CA 494607 A CA494607 A CA 494607A
Authority
CA
Canada
Prior art keywords
optical systems
positive
weak auxiliary
auxiliary member
weak
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
CA494607A
Other languages
French (fr)
Inventor
Kingslake Rudolf
F. Bennett Harold
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.)
Canadian Kodak Co Ltd
Original Assignee
Canadian Kodak Co Ltd
Publication date
Application granted granted Critical
Publication of CA494607A publication Critical patent/CA494607A/en
Expired legal-status Critical Current

Links

CA494607A Optical systems comprising a positive member and a weak auxiliary member Expired CA494607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA494607T

Publications (1)

Publication Number Publication Date
CA494607A true CA494607A (en) 1953-07-21

Family

ID=35640007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA494607A Expired CA494607A (en) Optical systems comprising a positive member and a weak auxiliary member

Country Status (1)

Country Link
CA (1) CA494607A (en)

Similar Documents

Publication Publication Date Title
CA494607A (en) Optical systems comprising a positive member and a weak auxiliary member
CA490541A (en) Joints and a securing element therefor
CA494606A (en) Optical systems comprising a positive member and a negative auxiliary member
CA609368A (en) Control systems
CA493979A (en) Anti-burglar system
CA489766A (en) Splicing threads
CA490397A (en) Measuring and controlling systems
CA498040A (en) Measuring and controlling systems
CA505394A (en) Ignition systems
CA494375A (en) Combination visor and magnifier
CA490997A (en) Adapters
CA490772A (en) Concentric optical system
CA508328A (en) Light sensitive systems
CA525824A (en) Optical systems
CA530734A (en) Optical systems
AU163239B2 (en) Improvements in telecommunication systems
AU276642B2 (en) Fuel control systems and parts therefor or like
CA499606A (en) Thermo-mechanical control systems
CA499418A (en) Regulating systems
CA497327A (en) Telecommunication systems
CA495239A (en) Anticonvulsant
CA508102A (en) Control systems
CA503257A (en) Control systems
CA508516A (en) Control systems
CA499835A (en) Control systems