1: I have two dividers/compasses, both of which are combina-
tion bow compasses. The smaller one has a maximum spread
of about 2" and is used primarily for transferring measure-
ments. The larger 6" combination bow compass has an effec-
tive radius of about 5½".
1
purposes. Modelers instead need a “combination bow” com-
pass (1) that has a wheel which moves the legs in and out. This
wheel can be located between the legs (as on the compasses
in Photo 1) or on the side of one leg. This type of compass or
