You can not afford to be without
"Aeronautics"
- Each month it gives articles of value, based on definite results obtained by the foremost experimenters-propellers surfaces, general design, etc.
- Successful aeroplanes involving new features are described in minute detail, with scale drawings and all dimensions.
- Articles of practical interest in the painting and finishing of woodwork, making of propellers, landing chasses, etc.
- Monthly page of drawings of constructional details of machines all over the world.
- Questions involving principles and experimental data of aerodynamos, and of motors, answered in full by an authority.
- Every issue a complete directory of American manufacturers of planes and all accessories.
- Exclusive principal articles only are published.
- A file of "AERONAUTICS" is more valuable than any book yet written on the subject of Aeronautics.
- "AERONAUTICS" is the oldest aero journal in America; established 1907.
- Send for a sample copy and compare it with any other aeronautical magazine.
- Ask any reader of "AERONAUTICS" for his opinion as to its worth.
- All aeronautical patents issued in the U. S. are listed monthly.
Subscription $3.00 yearly.
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