How to Get Rid of Rats
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World-wide pest, would overrun earth if not curbed. Prevention by elimination of natural harbors, wire screens, curbing with poison bait and traps. Red Squill safest poison, calcium cyanide gas most effective but must be handled with care.
Source: Bell & Howell Filmosound Library Catalog of Educational Motion Pictures, 1942 · Record added 2026-09-26 21:16:36