CA257856A - Machine a rectifier et a polir les lentilles - Google Patents

Machine a rectifier et a polir les lentilles

Info

Publication number
CA257856A
CA257856A CA257856A CA257856DA CA257856A CA 257856 A CA257856 A CA 257856A CA 257856 A CA257856 A CA 257856A CA 257856D A CA257856D A CA 257856DA CA 257856 A CA257856 A CA 257856A
Authority
CA
Canada
Prior art keywords
polishing machine
lens grinding
grinding
lens
polishing
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
CA257856A
Other languages
English (en)
Inventor
Maynard Long Eli
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.)
STANDARD OPTICAL Co (1924)
Original Assignee
STANDARD OPTICAL Co (1924)
Publication date
Application granted granted Critical
Publication of CA257856A publication Critical patent/CA257856A/fr
Expired legal-status Critical Current

Links

CA257856A Machine a rectifier et a polir les lentilles Expired CA257856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA257856T

Publications (1)

Publication Number Publication Date
CA257856A true CA257856A (fr) 1926-02-02

Family

ID=35166404

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257856A Expired CA257856A (fr) Machine a rectifier et a polir les lentilles

Country Status (1)

Country Link
CA (1) CA257856A (fr)

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