Patent Model - Improvement in Indicators for Trains

Maker and role
Henry Keyes (b.1847, d.1926), Patentee
James Smith (b.1838, d.1902), Patentee
Production date
Jun 24 1879
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Object detail

11 1/4 x 6 3/4 x 3 3/4" (28.6 x 17.1 x 9.5cm)
Keyes and Smith's patent "consists of a series of rotating slats pivoted to a suitable frame, and provided with toothed wheels, said frame having a groove, into which said wheels project. The slats have painted or otherwise marked upon them the names of stations of a railroad and other information, whereby the names of stations at which the next train is to stop, specialties of the train, or the names of the stations of an expected arriving train are readily indicated and announced. The faces of the slats are changeable..." (Patent Number 216,862)
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