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The model 706 Code Practice Oscillator is a valuable aid in the study and practice of Morse code, so important to novice radio amateurs. Boy Scouts, and others interested in radio communication. As a kit, there is additional value in the skill and knowledge developed in the construction, and it offers the novice a chance to become acquainted with transistor circuitry. The model 706 is basically a battery-operated transistor audio Oscillator, tunable overthe range from 500 to 2000 cycles by the pitch control on the panel. An efficient loudspeaker is built in. If desired, a headset may be plugged into the phone jack on the panel, which automatically cuts out the loudspeaker. A convenient flashing light on the panel can also be used for signaling after dark, when the flashing light can be seen for great distances. A panel switch selects tone alone, light alone, or both tone and light. External key terminals are provided on the front panel. A formed metal spring and a ^6 solder lug are included to serve as a temporary key if a real key is not immediately available. The model 706 surpasses other units in offering a pitch control, a phone jack, an outstandingly efficient 3" speaker, and a life-time deep-etched satin aluminum panel. Furthermore, its ruggedness and simplicity assure many years of trouble-free service.