AU1273808A - Improvements in the method of making bi-focal lenses - Google Patents

Improvements in the method of making bi-focal lenses

Info

Publication number
AU1273808A
AU1273808A AU12738/08A AU1273808A AU1273808A AU 1273808 A AU1273808 A AU 1273808A AU 12738/08 A AU12738/08 A AU 12738/08A AU 1273808 A AU1273808 A AU 1273808A AU 1273808 A AU1273808 A AU 1273808A
Authority
AU
Australia
Prior art keywords
making
focal lenses
lenses
focal
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
AU12738/08A
Other versions
AU1273808B (en
Inventor
Joseph Stead Harold
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
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU12738/08A priority Critical patent/AU1273808A/en
Publication of AU1273808B publication Critical patent/AU1273808B/en
Publication of AU1273808A publication Critical patent/AU1273808A/en
Expired legal-status Critical Current

Links

AU12738/08A 1908-10-10 Improvements in the method of making bi-focal lenses Expired AU1273808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU12738/08A AU1273808A (en) 1908-10-10 Improvements in the method of making bi-focal lenses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU12738/08A AU1273808A (en) 1908-10-10 Improvements in the method of making bi-focal lenses

Publications (2)

Publication Number Publication Date
AU1273808B AU1273808B (en) 1909-07-06
AU1273808A true AU1273808A (en) 1909-07-06

Family

ID=

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