Frank Duncan Graham (1875—19??) was a prolific and eloquent writer of the ever popular and many times reprinted Audel's guides of various titles. Graham seemed to specialize, however, in subjects related to steam technology and other types of engines.
A few of Graham's more epic works include his eight volume Audel's Engineers and Mechanics Guide, 1921, which covered subjects as diverse as flying "aeroplanes" to steam engines house wiring, and the 12 volume Audel's New Electric Library, 1937, covering practically all that was known about electricity up to the time.
A few (but not all) of the other Audel's books by Graham include: Audel's Handy Book of Practical Electricity, Audel's Power Plant Engineer's Guide, Audel's House Heating Guide, and Audel's Machinists & Tool Makers Handy Book.
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