How to Become an Engineer

by Frank W. Doughty

Fig. 5.

Fig. 7.

Fig. 8.

Fig. 12.

Now bring the flame to bear on the joint you wish to braze, having first supplied plenty of borax. Soon you will find the brass wire melting and running into the joint like water. It must then be neatly filled up and the joint will be scarcely visible.

Here are a few tools which will be useful to you in this work.

A center punch, or steel spike for mashing metal for drilling, etc., and a small riveting hammer. Three or four files of different degrees of fineness, a screw plate and taps, a small hand-drill with a set of drills to fit and a good firm vise.