How to build up furnace efficency, in five stages of amplification
By: broadcast by Jos. W. Hays ...
Publisher: J. W. Hays and associates
Published: 1924
Place of publication: Michigan City, Ind
Language: eng; dut
Number of pages: 534
Subjects: Furnaces.; Fuel.
Notes: 17th ed., rev. and enl. 120th thousand.