CA386628A - Heater draft control - Google Patents

Heater draft control

Info

Publication number
CA386628A
CA386628A CA386628A CA386628DA CA386628A CA 386628 A CA386628 A CA 386628A CA 386628 A CA386628 A CA 386628A CA 386628D A CA386628D A CA 386628DA CA 386628 A CA386628 A CA 386628A
Authority
CA
Canada
Prior art keywords
draft control
heater draft
heater
control
draft
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
CA386628A
Other languages
French (fr)
Inventor
J. Rose Harold
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.)
PHILADELPHIA AND READING COAL AND IRON Co
Original Assignee
PHILADELPHIA AND READING COAL AND IRON Co
Publication date
Application granted granted Critical
Publication of CA386628A publication Critical patent/CA386628A/en
Expired legal-status Critical Current

Links

CA386628A Heater draft control Expired CA386628A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA386628T

Publications (1)

Publication Number Publication Date
CA386628A true CA386628A (en) 1940-01-30

Family

ID=35391849

Family Applications (1)

Application Number Title Priority Date Filing Date
CA386628A Expired CA386628A (en) Heater draft control

Country Status (1)

Country Link
CA (1) CA386628A (en)

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