The hole in the bell housing, on a C12 Caterpillar diesel engine, can be found on the bottom of the bell housing. The hole faces straight down.

a bell hole is a hole dug in a upside down bell shape around a pipe sunk into the ground so it can be cut or welded. arkansas.... ozarks..... hills..... 45 degree angles..... get it?

The address of the Woods Hole Bell Tower Trust is: Po Box 332, Woods Hole, MA 02543-0332

falling to it's death down a hole

no

kind of. The top is called the mouthpiece, the next is the barrel, then the head joint, then the lower joint then the bell. the bell has a hole in it so i guess you could call it a sound hole. whatever you think it is. i know because i play. hope this helped!