NEW in SCIENCE (Mar, 1949)
NEW in SCIENCE
Ping-Pong Gun fires balls noisily at a terrific rate of speed by using air pressure. Newell Mfg. Company, Lowell, Mich.
82 Washes did this to milady’s dress. Ordinary starch was used on left side while new Perma Starch was used on right, doubling life of cotton. U. S. Rubber Co.. N. Y. C.
False Faeces of rubber fit over your head. While wearing one you can see, hear, talk and even smoke. Rubber for Molds, Chicago.
Service Please! Push button on ashtray, and light signals waitress. Service Ideas, Minneapolis.
Combo-Cart is Australian invention which may be used as playwagon, left, or nursery dining car, right.