Vintage instruction manual and text book entitled "Steam Plant Operation," by Everett B. Woodruff and Herbert B. Lammers. Originally published in 1935, this edition is from 1950 by McGraw Hill Book Company. 543 pages with illustrations, diagrams and reference charts. Cover and binding in good condition with moderate wear. Some stray pencil marks throughout, and some spots of discoloration.
Book cover measures 9 1/4 inches high by 6 1/4 inches wide. Book is 1 1/4 inch thick.