AU201704B2 - Improvements in or relating to optical systems - Google Patents

Improvements in or relating to optical systems

Info

Publication number
AU201704B2
AU201704B2 AU1438/54A AU143854A AU201704B2 AU 201704 B2 AU201704 B2 AU 201704B2 AU 1438/54 A AU1438/54 A AU 1438/54A AU 143854 A AU143854 A AU 143854A AU 201704 B2 AU201704 B2 AU 201704B2
Authority
AU
Australia
Prior art keywords
relating
optical systems
optical
systems
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
AU1438/54A
Other versions
AU143854A (en
Inventor
Cox Arthur
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
Filing date
Publication date
Application filed by Bell and Howell Co filed Critical Bell and Howell Co
Application granted granted Critical
Publication of AU143854A publication Critical patent/AU143854A/en
Publication of AU201704B2 publication Critical patent/AU201704B2/en
Expired legal-status Critical Current

Links

AU1438/54A 1954-07-02 Improvements in or relating to optical systems Expired AU201704B2 (en)

Publications (2)

Publication Number Publication Date
AU143854A AU143854A (en) 1955-01-06
AU201704B2 true AU201704B2 (en) 1955-01-06

Family

ID=

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