CA214673A - Quartz lens - Google Patents

Quartz lens

Info

Publication number
CA214673A
CA214673A CA214673A CA214673DA CA214673A CA 214673 A CA214673 A CA 214673A CA 214673 A CA214673 A CA 214673A CA 214673D A CA214673D A CA 214673DA CA 214673 A CA214673 A CA 214673A
Authority
CA
Canada
Prior art keywords
quartz lens
quartz
lens
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
CA214673A
Other languages
French (fr)
Inventor
D'arcy Power Henry
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.)
Hanovia Chemical and Manufacturing Co
Original Assignee
Hanovia Chemical and Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA214673A publication Critical patent/CA214673A/en
Expired legal-status Critical Current

Links

CA214673A Quartz lens Expired CA214673A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA214673T

Publications (1)

Publication Number Publication Date
CA214673A true CA214673A (en) 1921-12-13

Family

ID=35109117

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214673A Expired CA214673A (en) Quartz lens

Country Status (1)

Country Link
CA (1) CA214673A (en)

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