Page 479 - One Thousand Ways to Make $1000

Invention and the Law, by H. A. Toulmin. Prentice-Hall, 1936. $5.00.
Inventions and Their Protection. Penton, 1938. $5.00.
Inventions, Patents and Trade-Marks, Their Protection and Promotion. 2nd
ed. McGraw-Hill, 1933. $2.50.
Making Inventions Pay. Crescent Tool Company, 2nd and Elm Sts.,
Cincinnati, Ohio. 3rd ed. 1932. Gratis.
What to Do About your Invention, by E. Thomas. Leisure League, 1934.
$1.00.
Your Invention; How to Protect and Merchandise It, by E. B. Lyford. Radio
& Technical Pub. Co., 45 Astor Pl., New York, N. Y., 1935. $1.50.

MODEL MAKING
Periodicals:

Hobbies . 2810 S. Michigan Ave., Chicago, Ill. $1.00 a year. (Mo.) Model
Airplane News. 551 Fifth Ave., New York, N. Y. $1.65 a year. (Mo.) Model
Craftsman. 110 W. 42nd St., New York, N. Y. $2.50 a year. (Mo.)
Modelmaker, The. Wauwatosa, Wis. $1.50 a year. {B-Mo.}
Popular Homecraft. 919 N. Michigan Ave., Chicago, Ill. $3.00 a year.

(B-Mo.)

Popular Mechanics Magazine . 200 E. Ontario St., Chicago, Ill. $2.50 a year.
(Mo.)
Popular Science Monthly. 353 Fourth Ave., New York, N. Y. $1.50 a year.
(Mo.)

Books and Pamphlets:
Boats, Airplanes and Kits, by Armand J. LeBerge. Manual Arts. $2.00. Boys’
Book of Model Airplanes, by Francis Collins. Appleton, 1929.

$2.00.
Building s Model Railroad, by A. S. Coolidge. Macmillan, 1929. $2.00.
Building and Flying Model Aircraft, by P.E. Garber. Ronald Press, 1928.

$2.25.