CA298482A - Lapping machine and method of making lenses - Google Patents

Lapping machine and method of making lenses

Info

Publication number
CA298482A
CA298482A CA298482A CA298482DA CA298482A CA 298482 A CA298482 A CA 298482A CA 298482 A CA298482 A CA 298482A CA 298482D A CA298482D A CA 298482DA CA 298482 A CA298482 A CA 298482A
Authority
CA
Canada
Prior art keywords
lapping machine
making lenses
lenses
making
lapping
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
CA298482A
Other languages
French (fr)
Inventor
Player Sydney
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.)
Saint Gobain Abrasives Inc
Original Assignee
Norton Co
Publication date
Application granted granted Critical
Publication of CA298482A publication Critical patent/CA298482A/en
Expired legal-status Critical Current

Links

CA298482A Lapping machine and method of making lenses Expired CA298482A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA298482T

Publications (1)

Publication Number Publication Date
CA298482A true CA298482A (en) 1930-03-18

Family

ID=35235801

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298482A Expired CA298482A (en) Lapping machine and method of making lenses

Country Status (1)

Country Link
CA (1) CA298482A (en)

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