Original vintage EMERSON Television Preliminary Service Notes models  660B 664B 673B CHASSIS 120133-b.  One foldout schematic. There is a foldout troubleshooting manual as well as several field bulletins and addendum pages to the service notes. There is a old staple at the top, and penciled service notes at the schematics. Holes at the left margin to place it in a 3 ring binder. It is in VG condition, pages are clean and intact.  Old 1950 factory manual. 11 pages.
 

approximate size 8.5 x 11 inches.