CA178402A - Projection apparatus - Google Patents

Projection apparatus

Info

Publication number
CA178402A
CA178402A CA000178402A CA178402DA CA178402A CA 178402 A CA178402 A CA 178402A CA 000178402 A CA000178402 A CA 000178402A CA 178402D A CA178402D A CA 178402DA CA 178402 A CA178402 A CA 178402A
Authority
CA
Canada
Prior art keywords
projection apparatus
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
CA000178402A
Other languages
French (fr)
Inventor
John B. Taylor
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canadian General Electric Co Ltd filed Critical Canadian General Electric Co Ltd
Application granted granted Critical
Publication of CA178402A publication Critical patent/CA178402A/en
Expired legal-status Critical Current

Links

CA000178402A 1917-02-12 1917-02-12 Projection apparatus Expired CA178402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA178402T 1917-02-12

Publications (1)

Publication Number Publication Date
CA178402A true CA178402A (en) 1917-07-24

Family

ID=45298055

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000178402A Expired CA178402A (en) 1917-02-12 1917-02-12 Projection apparatus

Country Status (1)

Country Link
CA (1) CA178402A (en)

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