Eight pages, wrps, 5.5x8.5", marked Bulletin No. 4, and 5th edition. Numbered cutaway drawings, engineering drawings, two pages of parts drawings and parts list. Good condition.
Eight pages, wrps, 5.5x8.5", marked Bulletin No. 4, and 5th edition. Numbered cutaway drawings, engineering drawings, two pages of parts drawings and parts list. Good condition.
