CA216232A - Lens grinding apparatus - Google Patents

Lens grinding apparatus

Info

Publication number
CA216232A
CA216232A CA216232A CA216232DA CA216232A CA 216232 A CA216232 A CA 216232A CA 216232 A CA216232 A CA 216232A CA 216232D A CA216232D A CA 216232DA CA 216232 A CA216232 A CA 216232A
Authority
CA
Canada
Prior art keywords
grinding apparatus
lens grinding
lens
grinding
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
CA216232A
Other languages
French (fr)
Inventor
W. Hill Harry
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.)
American Optical Corp
Original Assignee
American Optical Corp
Publication date
Application granted granted Critical
Publication of CA216232A publication Critical patent/CA216232A/en
Expired legal-status Critical Current

Links

CA216232A Lens grinding apparatus Expired CA216232A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA216232T

Publications (1)

Publication Number Publication Date
CA216232A true CA216232A (en) 1922-02-28

Family

ID=35110676

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216232A Expired CA216232A (en) Lens grinding apparatus

Country Status (1)

Country Link
CA (1) CA216232A (en)

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