R. N. Diesel Engines
formerly Russell, Newbery and Co
c1932 Russell Newbery engines are now manufactured under the name of R. N. Diesel Engines [1]
c.1950 The company moved to Dagenham
1953 Announced the Husky vertical diesel engine rated at 5 to 8 hp
By 1957 Russell, Newbery and Co was part of the Sterling Electric Holdings group
2015 The RN Diesel Engine Company is still in operation, supplying new and reconditioned engines for narrow boats - see Russell, Newbery and Co