Produced by Baxter Woodhouse and Taylor Ltd. Approx. 20 x 25cm. Card covers. Spiral bound. 43p (including illustrations). Gives a full description, use and servicing instructions and advice on testing. Excellent book with super photos of the helmet being 'donned', worn, removed and tested. Also shows the available improvements/modifications including ventilated linings, rear crash protection panels etc. Also has information of the B.W.T. Nitrometer which was used as a test rig. Light soiling and wear to the rear cover otherwise in very good used condition. Another rare find. Stock code P15180.