CA402074A - Magnetic compass - Google Patents

Magnetic compass

Info

Publication number
CA402074A
CA402074A CA402074A CA402074DA CA402074A CA 402074 A CA402074 A CA 402074A CA 402074 A CA402074 A CA 402074A CA 402074D A CA402074D A CA 402074DA CA 402074 A CA402074 A CA 402074A
Authority
CA
Canada
Prior art keywords
magnetic compass
compass
magnetic
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
CA402074A
Other languages
French (fr)
Inventor
Elmer Ambrose Sperry, Jr.
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.)
Sperry Products Inc
Original Assignee
Sperry Products Inc
Publication date
Application granted granted Critical
Publication of CA402074A publication Critical patent/CA402074A/en
Expired legal-status Critical Current

Links

CA402074A Magnetic compass Expired CA402074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA402074T

Publications (1)

Publication Number Publication Date
CA402074A true CA402074A (en) 1942-01-06

Family

ID=35412519

Family Applications (1)

Application Number Title Priority Date Filing Date
CA402074A Expired CA402074A (en) Magnetic compass

Country Status (1)

Country Link
CA (1) CA402074A (en)

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