H W Tyler

DISCUSSION. ON THE BEST MEANS OF COMMUNICATING BETWEEN THE PASSENGERS, GUARDS AND DRIVERS OF TRAINS IN MOTION.

W. H. Preece, J W Bazalgette, C H Gregory, 1867 .

ON THE WORKING OF SHARP GRADIENTS AND SHARP CURVES ON RAILWAYS.

H W Tyler, 1867 .

DISCUSSION ON THE WORKING OF STEEP GRADIENTS AND SHARP CURVES ON RAILWAYS.

Michael B. Cohen, Vignoles, Bramwell, 2022 .

DISCUSSION. ON THE FESTINIOG RAILWAY FOR PASSENGERS: AS A 2-FEET GAUGE, WITH SHARP CURVES, AND WORKED BY LOCOMOTIVE ENGINES.

H W Tyler, .