Author:Robert Culbertson Hays Heck
Works
[edit]- The steam-engine and other steam-motors; a text-book for engineering colleges and a treatise for engineers (1907) (transcription project)
- The steam engine and turbine; a text-book for engineering colleges (1911) (transcription project)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1930.
These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
Public domainPublic domainfalsefalse