UPDATE: Here’s a second type of Warn-A-Larm brochure. It is a single page, form #AC1166-20 (maybe 11/1966?).
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Originally published Feb 20, 2023:
This is a product I didn’t know existed at one time. According to this four-page brochure, the Warn-A-Larm is a backup alarm device to warn folks when a vehicle is backing. It appears the brochure is from June 1969.























