CA213514A - Draft controlling device for heaters - Google Patents

Draft controlling device for heaters

Info

Publication number
CA213514A
CA213514A CA213514A CA213514DA CA213514A CA 213514 A CA213514 A CA 213514A CA 213514 A CA213514 A CA 213514A CA 213514D A CA213514D A CA 213514DA CA 213514 A CA213514 A CA 213514A
Authority
CA
Canada
Prior art keywords
heaters
controlling device
draft controlling
draft
controlling
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
CA213514A
Other languages
French (fr)
Inventor
B. Burke Clarence
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA213514A publication Critical patent/CA213514A/en
Expired legal-status Critical Current

Links

CA213514A Draft controlling device for heaters Expired CA213514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA213514T

Publications (1)

Publication Number Publication Date
CA213514A true CA213514A (en) 1921-09-27

Family

ID=35107958

Family Applications (1)

Application Number Title Priority Date Filing Date
CA213514A Expired CA213514A (en) Draft controlling device for heaters

Country Status (1)

Country Link
CA (1) CA213514A (en)

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