CA220440A - Sound recording and reproducing instrument - Google Patents

Sound recording and reproducing instrument

Info

Publication number
CA220440A
CA220440A CA220440A CA220440DA CA220440A CA 220440 A CA220440 A CA 220440A CA 220440 A CA220440 A CA 220440A CA 220440D A CA220440D A CA 220440DA CA 220440 A CA220440 A CA 220440A
Authority
CA
Canada
Prior art keywords
sound recording
reproducing instrument
reproducing
instrument
sound
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
CA220440A
Other languages
French (fr)
Inventor
Ernest Clifton William
Sturton Ewart John
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.)
CLIFTOPHONE
Original Assignee
CLIFTOPHONE
Publication date
Application granted granted Critical
Publication of CA220440A publication Critical patent/CA220440A/en
Expired legal-status Critical Current

Links

CA220440A Sound recording and reproducing instrument Expired CA220440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA220440T

Publications (1)

Publication Number Publication Date
CA220440A true CA220440A (en) 1922-07-04

Family

ID=35114884

Family Applications (1)

Application Number Title Priority Date Filing Date
CA220440A Expired CA220440A (en) Sound recording and reproducing instrument

Country Status (1)

Country Link
CA (1) CA220440A (en)

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