The PYROX SPRAY GUIDE. [Pamphlet] [Jan 01, 1920] Bowker Insecticide Company, ...
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Vintage circa 1920 booklet titled "The Pyrox Spray Guide" published by the Bowker Insecticide Company, New York, NY. This 34-page (including covers) booklet contains information on spraying directions for over 25 crops; the importance of spraying in farm practice; Pyrox: What it is and what it does; types of spray machinery; important hints about spraying; what good orchardists say about Pyrox; the importance of early and thorough spraying; what good potato growers say about Pyrox; and special directions for using Pyrox. Booklet is well illustrated with black/white photographs. There is no copyright date in booklet, but there are several customer testimonials, all dated 1920.