Learning the Radiotelegraph Code

Publication 18 of the Radio Amateur's Library

This publication contains complete information of interest to those wishing to learn morse code.  

In the years of its publication, 1970 and before, that meant anyone who wished to become an amateur radio operator.

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1st ed. - 1942 2nd ed. - 1944 3rd ed. - 1946 4th ed. - 1948 5th ed. - 1950 6th ed. - 1951

7th ed. - 1955 8th ed. 1-3 printings - 1957

9th ed. - 1961 12th ed. - 1970 13th ed. - 1970

10th ed. - 1963 11th ed. - 1968