Original 1928 BSA Motorcycle Plans displaying the general arrangement of the BSA 3.49hp Standard O.H.V 1929 Model L29 O.H.V, half full size scale, t/w the general arrangement plans of 5.57hp Motor Cycle Engine used in the (1927, 1928 & 1929) Models, the plans used in order to construct the model and engine, dated with approved signatures, printed on linen direct from original drawings, ready to frame, largest measures approx. 100 x 72cm approx. (2) Note: Obtained from the previous BSA Motorcycle factory in Redditch, items that are rare on the market.