CA297644A - Means of maintaining a true base-line for variation indications - Google Patents

Means of maintaining a true base-line for variation indications

Info

Publication number
CA297644A
CA297644A CA297644DA CA297644A CA 297644 A CA297644 A CA 297644A CA 297644D A CA297644D A CA 297644DA CA 297644 A CA297644 A CA 297644A
Authority
CA
Canada
Prior art keywords
maintaining
line
true base
variation indications
indications
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
Other languages
French (fr)
Inventor
Fellows Carter Leslie
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 Gyroscope Co Ltd
Original Assignee
Sperry Gyroscope Co Ltd
Publication date
Application granted granted Critical
Publication of CA297644A publication Critical patent/CA297644A/en
Expired legal-status Critical Current

Links

CA297644D Means of maintaining a true base-line for variation indications Expired CA297644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA297644T

Publications (1)

Publication Number Publication Date
CA297644A true CA297644A (en) 1930-02-18

Family

ID=35234964

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297644D Expired CA297644A (en) Means of maintaining a true base-line for variation indications

Country Status (1)

Country Link
CA (1) CA297644A (en)

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