Cleveland Open Cup : apparatus A flash point testing device sometimes used in grading flammable liquids in transportation, under ASTM D92. See also: Closed Cup, Open Cup, Tagliabue Closed Cup, Tagliabue Open Cup
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}