Excellent quality photocopy of the original 1969 Service Instructions for the Bell & Howell Filmosound model 535, 540, 541, 542 Manual Threading 16mm Motion Picture Projector.

This 58 page manual is printed on double sided 8-1/2" x 11" heavy weight paper. This manual has a card stock cover and is plastic comb bound so it will lay flat on the workbench.

The heavily illustrated service manual contains sections on maintenance precautions, cleaning and lubrication, trouble shooting, disassembly procedure, reassembly procedure, adjustments and modifications.