Locomotive Duplex

Locomotive Duplex
Type and origin Power type Steam Designer John Haswell Builder Austrian State Railway Works, Vienna Build date 1861
Specifications Configuration: ​  • Whyte 4-2-0 Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gauge Driver dia. 7 ft 9 in (2,362 mm) Cylinders Four Cylinder size 10.8 in × 24.8 in (274 mm × 630 mm)

Locomotive Duplex was an experimental 4-cylinder steam locomotive designed by John Haswell of the Austrian State Railway Works at Vienna and built in 1861. It was exhibited at the 1862 International Exhibition and was then used on the line from Prague to Podmokly (part of Děčín today) where it worked till 1900.^[1] Prague was the capital of Bohemia, which became part of the Austro-Hungarian Empire in 1867.