CA218762A - Condensing lens - Google Patents

Condensing lens

Info

Publication number
CA218762A
CA218762A CA218762A CA218762DA CA218762A CA 218762 A CA218762 A CA 218762A CA 218762 A CA218762 A CA 218762A CA 218762D A CA218762D A CA 218762DA CA 218762 A CA218762 A CA 218762A
Authority
CA
Canada
Prior art keywords
condensing lens
condensing
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
CA218762A
Other languages
French (fr)
Inventor
E. Carter Clark
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 CA218762A publication Critical patent/CA218762A/en
Expired legal-status Critical Current

Links

CA218762A Condensing lens Expired CA218762A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA218762T

Publications (1)

Publication Number Publication Date
CA218762A true CA218762A (en) 1922-05-23

Family

ID=35113206

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218762A Expired CA218762A (en) Condensing lens

Country Status (1)

Country Link
CA (1) CA218762A (en)

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