Ciphers For The Little Folks
Ciphers Codes Or Keys
This lesson is intended to teach the code or key. Attention is called to the mathematical regularity of its construction, which will enable the teacher to demonstrate it in a very simple manner. First write the c...
Even More Ciphers Codes And Keys
LESSON VII—THE TIME-TEACHING CLOCK
In this clock the movable colored dots indicating the minutes are used to spell out the time in cipher. In the working cards to be provided for the child the colored d...
Even More Ciphers Codes And Keys
LESSON VII—THE TIME-TEACHING CLOCK
In this clock the movable colored dots indicating the minutes are used to spell out the time in cipher. In the working cards to be provided for the child the colored d...
Ciphers Codes Or Keys
This lesson is intended to teach the code or key. Attention is called to the mathematical regularity of its construction, which will enable the teacher to demonstrate it in a very simple manner. First write the c...