CA215521A - Apparatus for grinding or polishing plate glass - Google Patents

Apparatus for grinding or polishing plate glass

Info

Publication number
CA215521A
CA215521A CA215521A CA215521DA CA215521A CA 215521 A CA215521 A CA 215521A CA 215521 A CA215521 A CA 215521A CA 215521D A CA215521D A CA 215521DA CA 215521 A CA215521 A CA 215521A
Authority
CA
Canada
Prior art keywords
grinding
plate glass
polishing plate
polishing
glass
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
CA215521A
Other languages
French (fr)
Inventor
Barnes Waldron Frederic
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
Publication date
Application granted granted Critical
Publication of CA215521A publication Critical patent/CA215521A/en
Expired legal-status Critical Current

Links

CA215521A Apparatus for grinding or polishing plate glass Expired CA215521A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215521T

Publications (1)

Publication Number Publication Date
CA215521A true CA215521A (en) 1922-01-31

Family

ID=35109965

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215521A Expired CA215521A (en) Apparatus for grinding or polishing plate glass

Country Status (1)

Country Link
CA (1) CA215521A (en)

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