Jennings of Bexley Heath "Manual of 6 x 4". The booklet was issued in 1957, contained a 12 page document some of which are attached. What was interesting was the section by the Jennings Research Department presents "More Fun with Tri-ang/Dublo Service Spares" The next two pages were 4 hand drawn layouts. Next section was the Jennings Tri-ang/Dublo General Spare Parts Price List. A Tri-ang price list from March 1957 was next. The next section included numbers 1 to 14 Tri-ang Service sheets datingNos.1 to 9 November 1955, No.10 July 1956, No. 11 March 1957 & Nos 12 to 14 April 1957. Next a Meccano price list dated August 1957, which includes O gauge, Dublo, Meccano & Dinky Toys. A Humbrol Standard Colour Chart for "Art Oil Plastic Enamel & Britfix Cellulose Colour Dope". G&R Wrenn trackwork leaflet.

Finally a pre-addressed postcard which could be sent for updates.