Vintage Lone Star Treble O lectric Railway instruction manual OOO. Lone Star Products London. Booklet is intact but some fading of print, particularly bottom of page 8, but still readable. Booklet is slightly discoloured due to age and the edges, particularly front cover, have some wear. Good condition for its age. Size 7inches high x 4 inches wide (18cms x 10.5cms). Dispatch by Royal mail 2nd class letter postage.