00389nam a22001337a 4500008004100000082001700041100002500058245009300083250000800176260003200184300001300216365001000229650001600239200123b           ||||| |||| 00| 0 eng d00a516.6bS3926  aSchumann, Charles H.10aDescriptive geometry: A Treatise on the graphics of space for the scientific professions  a4th  aTorontobVan Nostrandc1948  axi,338p.  d18.00 0aMathematics