CA237372A - Projection device - Google Patents

Projection device

Info

Publication number
CA237372A
CA237372A CA237372A CA237372DA CA237372A CA 237372 A CA237372 A CA 237372A CA 237372 A CA237372 A CA 237372A CA 237372D A CA237372D A CA 237372DA CA 237372 A CA237372 A CA 237372A
Authority
CA
Canada
Prior art keywords
projection device
projection
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
CA237372A
Other languages
French (fr)
Inventor
Henry Marten Thomas
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 CA237372A publication Critical patent/CA237372A/en
Expired legal-status Critical Current

Links

CA237372A Projection device Expired CA237372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA237372T

Publications (1)

Publication Number Publication Date
CA237372A true CA237372A (en) 1924-01-29

Family

ID=35141401

Family Applications (1)

Application Number Title Priority Date Filing Date
CA237372A Expired CA237372A (en) Projection device

Country Status (1)

Country Link
CA (1) CA237372A (en)

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