One end of a piece of double conductor lamp cord is led through a hole in the back of the case and soldered to the two primary coil terminals. The other end of the lamp cord is connected to an attachment plug which may be screwed into a lamp socket.
[Illustration: FIG. 66.—The completed Transformer.]
The transformer case is then poured full of molten coil wax so that the space around the transformer is entirely filled. After the wax has cooled, fasten the cover on and it is complete.
Arts and Science Series No. 8
Home-made
Electrical Apparatus
A Practical Handbook for Amateur
Experimenters
In Three Parts
*Volume II*