Used EG&G Chandler Engineering Corrosion Test Autoclave. Model #56-125. Heat treated 4340 Steel. Rated 10000 PSI @ 500F. Approximate Cylinder/Chamber 11"OD x 23.375"OL. 7.75"ID x 17"IL. (3) 9000w Heaters. 240V/60Hz/3ph. Frame mounted. Serial #5. Built 1974.