CA306943A - Apparatus for demonstrating sound-absorbing properties - Google Patents

Apparatus for demonstrating sound-absorbing properties

Info

Publication number
CA306943A
CA306943A CA306943A CA306943DA CA306943A CA 306943 A CA306943 A CA 306943A CA 306943 A CA306943 A CA 306943A CA 306943D A CA306943D A CA 306943DA CA 306943 A CA306943 A CA 306943A
Authority
CA
Canada
Prior art keywords
absorbing properties
demonstrating sound
demonstrating
sound
absorbing
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
CA306943A
Other languages
French (fr)
Inventor
Frederick Burgess Charles
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.)
CF Burgess Laboratories Inc
Original Assignee
CF Burgess Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA306943A publication Critical patent/CA306943A/en
Expired legal-status Critical Current

Links

CA306943A Apparatus for demonstrating sound-absorbing properties Expired CA306943A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306943T

Publications (1)

Publication Number Publication Date
CA306943A true CA306943A (en) 1930-12-23

Family

ID=35260094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306943A Expired CA306943A (en) Apparatus for demonstrating sound-absorbing properties

Country Status (1)

Country Link
CA (1) CA306943A (en)

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