CA269111A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA269111A
CA269111A CA269111A CA269111DA CA269111A CA 269111 A CA269111 A CA 269111A CA 269111 A CA269111 A CA 269111A CA 269111D A CA269111D A CA 269111DA CA 269111 A CA269111 A CA 269111A
Authority
CA
Canada
Prior art keywords
acoustic device
acoustic
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
CA269111A
Other languages
French (fr)
Inventor
W. Burchett George
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.)
AT&T Inc
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA269111A publication Critical patent/CA269111A/en
Expired legal-status Critical Current

Links

CA269111A Acoustic device Expired CA269111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA269111T

Publications (1)

Publication Number Publication Date
CA269111A true CA269111A (en) 1927-03-15

Family

ID=35199141

Family Applications (1)

Application Number Title Priority Date Filing Date
CA269111A Expired CA269111A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA269111A (en)

Similar Documents

Publication Publication Date Title
CA269112A (en) Acoustic device
CA267309A (en) Acoustical device
CA266154A (en) Sound device
CA276293A (en) Electro-acoustic device
AU983827A (en) Acoustic devices
CA268211A (en) Acoustic apparatus
CA268966A (en) Acoustic apparatus
CA257075A (en) Acoustic device
CA267235A (en) Leak-stopping device
CA269769A (en) Map-display device
CA268387A (en) Anti-rooting device
CA267583A (en) Sound apparatus
CA275209A (en) Sound apparatus
CA272938A (en) Sound apparatus
AU902327A (en) Acoustic apparatus
AU553727A (en) Improvements in acoustic devices
AU663327A (en) Anti-holdup device
CA268901A (en) Phonograph device
CA265568A (en) Sound device
CA265567A (en) Sound device
CA272674A (en) Microphone
CA275152A (en) Sound device cabinet
CA247148A (en) Acoustic device
CA248179A (en) Acoustic device
CA252388A (en) Acoustic device