Sweet's file, mechanical industries ;
a file of manufacturers' catalogs compiled especially for the use of engineers, operating and maintenance officials of the mechanical industries.
APA Citation
Sweet's Catalog Service. Sweet's file, mechanical industries: a file of manufacturers' catalogs compiled especially for the use of engineers, operating and maintenance officials of the mechanical industries. New York: Sweet's Catalog Service.
MLA Citation
Sweet's Catalog Service. Sweet's File, Mechanical Industries: a File of Manufacturers' Catalogs Compiled Especially for the Use of Engineers, Operating And Maintenance Officials of the Mechanical Industries. New York: Sweet's Catalog Service,
Warning: These citations may not always be complete (especially for serials).