Lines may be run with a fillet (see fig. 88), or made with gouges or pallets.
Pallets may be divided into two kinds, namely: equidistant and circular.
The organ pedals are connected to the pallets by an action similar to that of the keys.
The two pallets a and b are so designed that only one can rest on the teeth at one time.
The foliot is on the vertical verge, or spindle, ...