Note 4 — II THE SYSTEM OF CO-ORDINATES
Robert W. (Robert William) Lawson translation
I have chosen this as being more familiar to the English reader than the "Potsdamer Platz, Berlin," which is referred to in the original. (R. W. L.)
Robert W. (Robert William) Lawson translation
I have chosen this as being more familiar to the English reader than the "Potsdamer Platz, Berlin," which is referred to in the original. (R. W. L.)