000 00266cam a22000977a 4500
008 180718b1966 xxu||||| |||| 00| 0 eng d
082 _aN12x42 un3
245 _aDefence: royal ordnance factories
260 _aLondon
_bHer Majesty's Stationery Office
_c1966
300 _a5
999 _c493791
_d493791