Blackstone engine (OP)1938 Diesel, single cylinder Restored by Tim,Sleight 1992

This is an old Mirrlees- Blackstone engine, Diesel,made 1938 in Stamford England, she has just one cylinder and runs at 600 rpm and is rated at 22hp the type is an OP , I have never seen another one of these ,I was lead to belive thay were pumping engines designed to run for months without stopping, she was in peices when I found her, so a none goa ( not for long ) I stripped the whole engine down and shot blasted her rebuilt her , painted her ( I had to buy a few new parts / so I went to the factory where she was built and sure enough the parts were there !! WOW !!! and so you see her Running what a lovely old ladie,