000 00282nam a2200109Ia 4500
999 _c2828
_d2828
100 _aSidney A Davis
245 _aElectromechanical Components for Servomechanisms
260 _c1961
_aNew York
_bMcGraw Hill Book Company
300 _ax+338
700 _aByron K Ledgerwood
942 _cBK