|Satterly is an old Royal College of Science man. Refers to the issue of 'Nature', 14 March 1931 in which Boys gave a formula for calculating natural logarithms. He has just acquired Boys's little book on the subject, which he not yet mastered, but intends to take it on holiday. He requests that Boys briefly indicates his method of arriving at the expression.
Endorsed by Charles Vernon Boys: 'An[swere]d Jan 6 36'. With calculations verso.