I have a reprint of the 1913  Jr. to 6HP tank cooled engine instruction and parts Manual.  It has 26 pages. Front and back are card stock. front stapled. It is 8 1/2" by 11". It covers the 4 sizes of engines in this manual. This manual covers every ascept and all the parts, operation and basic  care of the engine to include the igniter ignition. alot of info for the engine collector. Talks about basic parts of the engine as well as specs, and alot of other basic info on the engine.   Alot of good information.  A great addition to any collection.