For Sale: Datong D70 Morse Tutor - c/w origional box & intructions. Sends a continuous stream of precision Morse in five character groups which never repeat - Varible speed and varible delay beetween charaters for optimum learning efficiency - Letters only, numbers only or mixed - Built-in tone oscillator for sending - Earphone socket for private listening - Eleven IC, CMOS circuit for long interal battery life. Requires PP9 Battery. All proceeds of this sale will be donated to the EYRG. £25 - 00. ovno. (carriage at cost if required.) SOLD .... SOLD.