00575nam a22002057a 450000500170000001000110001702000100002803500110003803700160004904000120006508200130007710000250009024500650011526000450018027000120022530000250023750000500026265000350031265000220034720170124110247.0  a488942  c00.00  a488942  bCen Lib/Ret  aDPLbEN  a608bUSH  aUsher, Abbott Payson  aA history of mechanical inventions /cby Abbott Payson Usher  aLondon bHarvard University Press c1954  bLondon   axi, 450p. c21cm(Hb)  aIncludes bibliographical reference and index   aTextile techniques -- History   aEconomic history