![Experiments with Water; Experiments with Air; Experiences with Fuels and Fires: Experiences with Heat; Experiences with Magnetism and Electricity; Experiences with Sound; Experiences with Light and Color. Washington, D. C., 1291 Sixteenth Street N. W.: The National Science Teachers Association, 1950, 1951. 44 p., 30 p., 39 p., 72 p., 44 p., 46 p. $4.00 for seven volumes]()
Experiments with Water; Experiments with Air; Experiences with Fuels and Fires: Experiences with Heat; Experiences with Magnetism and Electricity; Experiences with Sound; Experiences with Light and Color. Washington, D. C., 1291 Sixteenth Street N. W.: The National Science Teachers Association, 1950, 1951. 44 p., 30 p., 39 p., 72 p., 44 p., 46 p. $4.00 for seven volumes1953