000 00370nam a2200145 4500
999 _c635
_d635
008 191108b ||||| |||| 00| 0 eng d
082 0 0 _a621.84
_bY811
100 _aYoungson, Peter.
_9142
245 1 0 _aSlide Valves and Valve Gearing
_cby Peter Youngson
250 _a4th
260 _aGlasgow
_bMunro
_c1927
300 _a240 p.
650 0 _aSlide Valves
942 _2ddc
_cBK