LEARN ONE THING
EVERY DAY
| JULY 1 1916 | SERIAL NO. 110 |
THE
MENTOR
THE WEATHER
By C. F. TALMAN
Of The United States Weather Bureau
| DEPARTMENT OF SCIENCE | $3.00 PER YEAR |
| JULY 1 1916 | SERIAL NO. 110 |
| DEPARTMENT OF SCIENCE | $3.00 PER YEAR |