Marine sheet metal ventilaton
Subtitle: shop drawings and blueprint reading. (A workbook for pre-employment and supplementary training)
By: Prepared by commonwealth of Pennsylvania, Department of public instruction, Division of industrial education, in cooperation with School district of Philadelphia, shipbuilding yards in the Philadelphia area, and United States Office of education, Federal security agency.
Contributors: Philadelphia. Board of Public Education.; United States. Office of Education.
Series: Bulletin [n.s] ;; 347
Publisher: Commonwealth of Pennsylvania, Dept. of public instruction
Published: 1942
Place of publication: Harrisburg
Language: eng
Subjects: Ships -- Heating and ventilation.; Sheet-metal work.; Blueprints.
Notes: On p. [2]: Vocational education for national defense.