CA251309A - Lens grinding machine - Google Patents

Lens grinding machine

Info

Publication number
CA251309A
CA251309A CA251309A CA251309DA CA251309A CA 251309 A CA251309 A CA 251309A CA 251309 A CA251309 A CA 251309A CA 251309D A CA251309D A CA 251309DA CA 251309 A CA251309 A CA 251309A
Authority
CA
Canada
Prior art keywords
grinding machine
lens grinding
lens
machine
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
CA251309A
Other languages
French (fr)
Inventor
Steinberg Isaac
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA251309A publication Critical patent/CA251309A/en
Expired legal-status Critical Current

Links

CA251309A Lens grinding machine Expired CA251309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA251309T

Publications (1)

Publication Number Publication Date
CA251309A true CA251309A (en) 1925-06-30

Family

ID=35158283

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251309A Expired CA251309A (en) Lens grinding machine

Country Status (1)

Country Link
CA (1) CA251309A (en)

Similar Documents

Publication Publication Date Title
CA251309A (en) Lens grinding machine
CA246888A (en) Polishing machine
CA249394A (en) Grinding machine
CA252668A (en) Polishing machine
CA249144A (en) Lens cutting machine
CA217002A (en) Lens grinding machine
CA237269A (en) Grinding machine
CA253083A (en) Surface grinding machine
CA273511A (en) Cylinder lens grinding machine
CA242047A (en) Lens grinder
CA249263A (en) Lapping machine
CA253419A (en) Sharpening machine
CA255186A (en) Cylinder grinding machine
CA221445A (en) Lens polishing machine
CA255373A (en) Hob grinding machine
CA249388A (en) Lens bevel edging machine
CA254630A (en) Machine for grinding chasers
CA247017A (en) Commuting or grinding machine
CA250433A (en) Grinder
CA256110A (en) Grinder
CA239086A (en) Cylindrical grinding machine
CA216855A (en) Grinding machine
CA217160A (en) Grinding machine
CA219465A (en) Grinding machine
CA220888A (en) Grinding machine