THIS IS A PHOTOFACT FOR BELL & HOWELL MODELS 600-B, 600-L, & 600-M TAPE RECORDER. IT CONTAINS SCHEMATIC(S), INTERNAL VIEW(S), PARTS LIST AND DESCRIPTIONS AND OTHER INFO. THIS IS A ORIGINAL AND NOT A COPY. THIS IS WHAT YOU WILL NEED IF YOU EVER NEED TO MAKE REPAIRS ON YOUR TAPE RECORDER.  IT IS IN VERY GOOD CONDITION. BUYER PAYS S.H.