CA174275A - Tube panoramique - Google Patents

Tube panoramique

Info

Publication number
CA174275A
CA174275A CA000174275A CA174275DA CA174275A CA 174275 A CA174275 A CA 174275A CA 000174275 A CA000174275 A CA 000174275A CA 174275D A CA174275D A CA 174275DA CA 174275 A CA174275 A CA 174275A
Authority
CA
Canada
Prior art keywords
observation tube
observation
tube
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
CA000174275A
Other languages
English (en)
Inventor
Edwin H. Johnson
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
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA174275A publication Critical patent/CA174275A/fr
Expired legal-status Critical Current

Links

CA000174275A 1916-09-07 1916-09-07 Tube panoramique Expired CA174275A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA174275T 1916-09-07

Publications (1)

Publication Number Publication Date
CA174275A true CA174275A (fr) 1917-01-02

Family

ID=45293928

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000174275A Expired CA174275A (fr) 1916-09-07 1916-09-07 Tube panoramique

Country Status (1)

Country Link
CA (1) CA174275A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583814A (en) * 1983-07-20 1986-04-22 Gec Avionics Limited Infra-red optical systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583814A (en) * 1983-07-20 1986-04-22 Gec Avionics Limited Infra-red optical systems

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