Five page copy of a broadcast titled 'Hydroculture Part III' dated October 15, 1937 broadcast over Station WAAB. Heading - Chemistry of Today. Mentioned is the relationship between animals and plants, nitrogen and bacteria, nitrate of soda, potassium nitrate and the growing of plants. Broadcast (4) written at the top of page.sciences, bill ashman collection - correspondence, chemistry of today, hydroculture part iii, john a seaverns

Five page copy of a broadcast titled 'More About Hydroculture' dated 17 September, 1937. Heading - Chemistry of Today. Mentioned is the growth of plants, carbon - diamond and graphite, animal life and some plants that a Mr. Franklin D. Underwood of Harwich, Mass. Had grown using the growing salts. Typed on paper with printed letterhead and has Broadcast (3) written at the top of the page.sciences, bill ashman collection - correspondence, chemistry of today, john seaverns, more about hydroculture

Five page copy of a broadcast titled 'Hydroculture' dated 10 September, 1937. Heading - Chemistry of Today. Mentioned is plant growth, farmers, chemicals for plant growth, and an experiment with a tomato plant grown in a bucket. Broadcast (2) written at the top of page.sciences, instruments - general, bill ashman collection - correspondence, chemistry of today, hydroculture, john seaverns