Excerpt from The Chemical Composition of Insecticides and Fungicides: With an Account of the Methods of Analysis Employed
All assistance will be gladly and publicly acknowledged, and I trust that you will be willing to assist in this interesting work. Of course, similar work ... has been done by some of the experiment stations, but it seems desirable that it should be done for the whole country. The idea originated in the Division of Chemistry, and this Division is simply collaborating so far as possible.
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