Pollit & Wigzell Ltd, booklet on Economical Engines, this is 26 pages showing various engines that they have positioned in various factories with nice illustrations and testing of the said engines.
It is an extremely rare booklet and should be in a museum, the only relevant date we can find appears to be approximately 1924.
Price £15.00 plus p&p please contact Peter on 07799 294196 or email at
peterb7029@yahoo.co.uk if interested