Patent Locomotive For Street Railways (Steam Tram) 1878 - A 4 page Prospectus by manufacturers “The Yorkshire Engine Company Limited, Meadow Hall Works, near Sheffield”. With affixed albumen photograph of the Engine and two trailing tram cars. Plus detailed specification of the Steam Tram. Size folded 8” × 10”. This experimental Steam Tram Engine was put for trials on the Sheffield horse Tramway system in 1878.  A very scarce item. I have never seen a Prospectus for a Steam Trams previously.