In many cases, a jig borer is a "jig eliminator." In other words, such a machine may be used instead of a jig either when the quantity of work is not large enough to warrant making a jig or when there is insufficient time for jig making.


Machine Shop Training Course, 5th ed. (New York: Industrial Press, 1964), Volume 1 (p. 358).


In many cases, a jig borer is a jig eliminator. In other words, such a machine may be used instead of a jig either when the quantity of work is not...

In many cases, a jig borer is a jig eliminator. In other words, such a machine may be used instead of a jig either when the quantity of work is not...

In many cases, a jig borer is a jig eliminator. In other words, such a machine may be used instead of a jig either when the quantity of work is not...

In many cases, a jig borer is a jig eliminator. In other words, such a machine may be used instead of a jig either when the quantity of work is not...