How to cut your coal bill
Subtitle: why twenty-five per cent of the average coal pile is wasted, how to buy the right coal and know what you are buying, how to analyze your own conditions, how to burn coal economically and know what powers is costing
By: by Joseph W. Hays.
Series: System "how books"
Publisher: A.W. Shaw company; [etc., etc.]
Published: 1913
Place of publication: Chicago; New York
Language: eng
Number of pages: 128
Subjects: Coal.; Power (Mechanics)
Notes: Pub. 1912 under title: How to get more power from coal.