Could anyone please help me with the instructions for this old bell and howell projector which belonged to my grandfather who dies before i was born and i am 54. I am not sure of the model number but it has the number 49730 and on the plate it says bell and Howell Chicago FITMO and there is another plate which says standard and down the bottom Cinemachinery. My email address is rhodc@bigpond.net.au Thankyou annie cook