000 00483nam a2200085 4500
080 _a621(03)
_bGEO.67
245 _aUniversal encycopedia of machines or how things work; the theory and pactice of modern machines and methods, from the ball-point pen to the jet engine, from the polaroid camera to radar, with <1071=one thousand seventyone> two-colour drawings and <6=six> pages of four-colour illustrations
700 _aGeorge Allen & Unwin Ltd.
260 _aLondon
_bGeorge Allen & Unwin Ltd.
_c1967
300 _a590p
999 _c25003
_d25003