000			003080000a22001330004500
245			_aTheory of machines through worked examples
100			_aRyder, G.H.
250			_a3d rev. ed.
260			_aLondon _bCleaverHume _c1963
300			_a280 p.
080			_a621.01(076) _bR8
041			_aEN
942			_cBK
999			_c94163 _d94163