Standards and conventions for mechanical drawing.
Contributors: Detroit (Mich.). Board of Education.
Edition: [3d ed., rev.] Pub. by the authority of the Board of education, city of Detroit.
Published: 1921
Place of publication: [Detroit]
Language: eng
Number of pages: 44
Subjects: Mechanical drawing.
Notes: At head of title: Detroit public schools. Department of instruction, teacher training and research.