CA253117A - Apparatus for optically projecting kinematograph films or slides - Google Patents

Apparatus for optically projecting kinematograph films or slides

Info

Publication number
CA253117A
CA253117A CA253117A CA253117DA CA253117A CA 253117 A CA253117 A CA 253117A CA 253117 A CA253117 A CA 253117A CA 253117D A CA253117D A CA 253117DA CA 253117 A CA253117 A CA 253117A
Authority
CA
Canada
Prior art keywords
slides
optically projecting
kinematograph films
kinematograph
films
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
CA253117A
Other languages
French (fr)
Inventor
Harold Lawrenson Ralph
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.)
ARCHER WHITFORD
Original Assignee
ARCHER WHITFORD
Publication date
Application granted granted Critical
Publication of CA253117A publication Critical patent/CA253117A/en
Expired legal-status Critical Current

Links

CA253117A Apparatus for optically projecting kinematograph films or slides Expired CA253117A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA253117T

Publications (1)

Publication Number Publication Date
CA253117A true CA253117A (en) 1925-08-25

Family

ID=35161667

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253117A Expired CA253117A (en) Apparatus for optically projecting kinematograph films or slides

Country Status (1)

Country Link
CA (1) CA253117A (en)

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