Text includes illustrations as follows:
Fig. 1. Chemicals needed for the exercises in this bulletin
Fig. 2. Apparatus used in preparing oxygen
Fig. 3. Apparatus used in preparing nitrogen
Fig. 4. Apparatus used in preparing hydrogen
Fig. 5. A collection of plant foods
Hatch, K. L. (Kirk Lester). “Simple Exercises Illustrating Some Applications of Chemistry to Agriculture.” Washington (D.C.): United States. Government Printing Office, 1908. https://digital.sciencehistory.org/works/k0698851z.
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