CA678812A - Method and means of recording and reproducing displacements - Google Patents

Method and means of recording and reproducing displacements

Info

Publication number
CA678812A
CA678812A CA678812A CA678812DA CA678812A CA 678812 A CA678812 A CA 678812A CA 678812 A CA678812 A CA 678812A CA 678812D A CA678812D A CA 678812DA CA 678812 A CA678812 A CA 678812A
Authority
CA
Canada
Prior art keywords
displacements
reproducing
recording
reproducing displacements
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
CA678812A
Inventor
E. De Neergaard Leif
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.)
Northern Trust Co
Original Assignee
Northern Trust Co
Publication date
Application granted granted Critical
Publication of CA678812A publication Critical patent/CA678812A/en
Expired legal-status Critical Current

Links

CA678812A Method and means of recording and reproducing displacements Expired CA678812A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA678812T

Publications (1)

Publication Number Publication Date
CA678812A true CA678812A (en) 1964-01-28

Family

ID=35979899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA678812A Expired CA678812A (en) Method and means of recording and reproducing displacements

Country Status (1)

Country Link
CA (1) CA678812A (en)

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