CA290473A - Dispositif a regler le foyer de lampe - Google Patents

Dispositif a regler le foyer de lampe

Info

Publication number
CA290473A
CA290473A CA290473A CA290473DA CA290473A CA 290473 A CA290473 A CA 290473A CA 290473 A CA290473 A CA 290473A CA 290473D A CA290473D A CA 290473DA CA 290473 A CA290473 A CA 290473A
Authority
CA
Canada
Prior art keywords
securing device
lamp focus
focus
lamp
securing
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
CA290473A
Other languages
English (en)
Inventor
Louis Duquette Isidore
Joseph Plasse Wilfred
Alexander Merrill Charles
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 CA290473A publication Critical patent/CA290473A/fr
Expired legal-status Critical Current

Links

CA290473A Dispositif a regler le foyer de lampe Expired CA290473A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290473T

Publications (1)

Publication Number Publication Date
CA290473A true CA290473A (fr) 1929-06-18

Family

ID=35227285

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290473A Expired CA290473A (fr) Dispositif a regler le foyer de lampe

Country Status (1)

Country Link
CA (1) CA290473A (fr)

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