New Owner's Manual for Jacobsen Turbo-Vent Bar Type Rotary Mowers.  Includes Briggs and Stratton Operating and Maintenance Instruction and Warranty Registration Card.  Owner's Manual is in great condition except for one bend in the corner as shown in pictures.  For 19" model 31902 Serial NO. 1601 and Up and 21" model 32108 Serial No. 1601 and Up.  Briggs manual for engines 92500 to 92598 and 92900 to 92998.