This glass advertising slide from the early 1900s advertises a Yale Mono Cell Battery and guarantees no more short circuits.
The slide was produced by Standard Slide Corp. in New York and advertises that these batteries were sold by H. B. Craven.
The slide measures 4" x 3 1/4". The film with the advertisers lettering on it is slightly wrinkled, but it does not affect the viewing. Slide in very good condition.
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