Nottingham, West Northamptonshire, England, United Kingdom
Otto Langen Engine This engine (No 379) is one of about 1,300 built by Crossley Brothers, Manchester to a Nikolaus August Otto design patented in 1866. It is an example of the first commercially successful internal combustion engine which was introduced at the 1867 Paris Exhibition.
Listen to the audio guide for Grey plaque № 8950 Free on WIP — starts by itself when you arrive, even with the screen off