CA211228A - Appareil d'optique - Google Patents

Appareil d'optique

Info

Publication number
CA211228A
CA211228A CA211228A CA211228DA CA211228A CA 211228 A CA211228 A CA 211228A CA 211228 A CA211228 A CA 211228A CA 211228D A CA211228D A CA 211228DA CA 211228 A CA211228 A CA 211228A
Authority
CA
Canada
Prior art keywords
optical apparatus
optical
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
CA211228A
Other languages
English (en)
Inventor
Roscoe Dennington Arthur
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.)
Westinghouse Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
Publication date
Application granted granted Critical
Publication of CA211228A publication Critical patent/CA211228A/fr
Expired legal-status Critical Current

Links

CA211228A Appareil d'optique Expired CA211228A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211228T

Publications (1)

Publication Number Publication Date
CA211228A true CA211228A (fr) 1921-05-03

Family

ID=35105007

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211228A Expired CA211228A (fr) Appareil d'optique

Country Status (1)

Country Link
CA (1) CA211228A (fr)

Similar Documents

Publication Publication Date Title
CA208901A (fr) Appareil a tirer le metal dans four
CA214151A (fr) Lentille
CA210807A (fr) Appareil a dessecher
CA208679A (fr) Appareil nettoyeur
CA214014A (fr) Appareil a meuler
CA210955A (fr) Appareil a remplir et a boucher les bouteilles
CA212005A (fr) Appareil cinematographique
CA213944A (fr) Appareil d'eclairage
AU332521A (en) Photographic apparatus
CA212293A (fr) Lentille
CA214152A (fr) Lentille
CA211153A (fr) Lentille
CA209780A (fr) Lentille
CA214148A (fr) Lentille
CA214149A (fr) Procede d'essai des lentilles
CA211867A (fr) Instrument d'optique pour traitement de la vue
CA201720A (fr) Projecteur
CA213180A (fr) Appareil a couper le verre
CA210250A (fr) Appareil a mouler le verre
CA211506A (fr) Trieur
CA207540A (fr) Appareil a dephlegmation
CA213772A (fr) Appareil d'annonce
CA211481A (fr) Appareil a ecrire
CA225722A (fr) Appareil de projecteur
CA207640A (fr) Appareil de renflouage