Spanner Wrench 3 : A tool used to tighten and loosen hose couplings and some-times as a lever for prying, opening and closing fire hydrants and other objects. See: Spanner
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}