These drawings of a marine boiler were created by three different SPS students. These were completed between 1900 and 1906.
By William C. Lumbers, third year. January 18, 1900. UTARMS, B1987-0029/001(10).
By Henry G. Acres, third year. December 11, 1902. UTARMS, B2002-0013/001(03)l.
By Chester B. Hamilton, third year. January 26, 1906. UTARMS, B2003-0010/001(01).