Analysis of the content of twenty mechanical drawing texts prepared for use in the secondary schools

Wheaton, Harvey Hitchcock2017-02-162017-02-1619351935b14732804(OCoLC)07872377(OCoLC)ocm07872377https://hdl.handle.net/2144/20508Thesis (Ed.M.)--Boston University, 1935. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsAnalysis of the content of twenty mechanical drawing texts prepared for use in the secondary schoolsThesis/Dissertation