CA417722A - Sound recording and reproducing device - Google Patents

Sound recording and reproducing device

Info

Publication number
CA417722A
CA417722A CA417722A CA417722DA CA417722A CA 417722 A CA417722 A CA 417722A CA 417722 A CA417722 A CA 417722A CA 417722D A CA417722D A CA 417722DA CA 417722 A CA417722 A CA 417722A
Authority
CA
Canada
Prior art keywords
reproducing device
sound recording
sound
recording
reproducing
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
CA417722A
Other languages
French (fr)
Inventor
Christian William Thiede Ferdinand
Allen Proctor Barton
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.)
B A PROCTOR Co
Original Assignee
B A PROCTOR Co
Publication date
Application granted granted Critical
Publication of CA417722A publication Critical patent/CA417722A/en
Expired legal-status Critical Current

Links

CA417722A Sound recording and reproducing device Expired CA417722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA417722T

Publications (1)

Publication Number Publication Date
CA417722A true CA417722A (en) 1944-01-11

Family

ID=35526973

Family Applications (1)

Application Number Title Priority Date Filing Date
CA417722A Expired CA417722A (en) Sound recording and reproducing device

Country Status (1)

Country Link
CA (1) CA417722A (en)

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