Here is a vintage 1950's BRIGGS & STRATTON Gas Engine Models 6B-S, 6B-SF AND 6B-SFB Operating Instruction Manual. has complete parts section in back with part name and number and shipping weight included. no rips tears or defacing to pages other than a small pencil notation on top front cover and a few tiny moth holes on bottom front cover near spine. please view all pics and read full item condition.