High Frequency Apparatus Page 55

OSCILLATION TRANSFORMERS 55 involved is a real one and for the few turns the average worker will require, to construct a winding rig would be out of the question. The strip can be purchased ready wound, however, in three convenient sizes, and its use is specified in the construction of several coils in this work. The prices and sizes will be found in the Appendix which gives also a list of the materials used in the construction of all the apparatus.