UNT Libraries Government Documents Department - 3 Matching Results

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Non-Skid Device
Patent for a device that affixes to automobile wheels to provide tire traction and prevent skidding.
Playing-Cards.
Patent for a card game that aims to teach players the workings of the electoral college. There are 208 cards, divided into four types: "eagle," "star," "banner," "flag," and gathering one of each type gives the player an electoral vote. The cards feature presidential candidates of the mid-1800s.
Safety Lamp-Burner.
Patent for a safety lamp-burner, which extinguishes itself when the lamp is tipped over.
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