CA385558A - Optical illusion apparatus - Google Patents

Optical illusion apparatus

Info

Publication number
CA385558A
CA385558A CA385558A CA385558DA CA385558A CA 385558 A CA385558 A CA 385558A CA 385558 A CA385558 A CA 385558A CA 385558D A CA385558D A CA 385558DA CA 385558 A CA385558 A CA 385558A
Authority
CA
Canada
Prior art keywords
optical illusion
illusion apparatus
optical
illusion
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
CA385558A
Other languages
French (fr)
Inventor
Pribil Stephen
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 CA385558A publication Critical patent/CA385558A/en
Expired legal-status Critical Current

Links

CA385558A Optical illusion apparatus Expired CA385558A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA385558T

Publications (1)

Publication Number Publication Date
CA385558A true CA385558A (en) 1939-12-12

Family

ID=35390781

Family Applications (1)

Application Number Title Priority Date Filing Date
CA385558A Expired CA385558A (en) Optical illusion apparatus

Country Status (1)

Country Link
CA (1) CA385558A (en)

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