The record of William Henry Barlow, an engineer born in 1812 in Woolwich, encompasses significant advancements in 19th-century railway infrastructure and structural design. Throughout his career, he served as a consultant for the Midland Railway and completed the iconic Clifton Suspension Bridge, leaving a legacy of large-scale engineering projects across the United Kingdom.
Early Career and International Experience
After receiving a private education and completing a pupillage at the Royal Navy's Woolwich Dockyard, Barlow spent six years starting in 1832 working in Constantinople. He contributed to the construction of an ordnance factory and provided a technical report on Bosphorus lighthouses, earning the Order of Nishan Iftikhar. In 1838, he returned to Britain to join the Manchester and Birmingham Railway.
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Upon joining the Midland Counties Railway in 1842, Barlow eventually rose to the position of chief engineer. To address the financial burden of replacing decaying sleepers, he patented the Barlow rail in 1849, a wide-flanged profile that required no sleepers. He later assisted Joseph Paxton with structural calculations for the 1851 Crystal Palace project.
Consultancy and St Pancras Station
Establishing his own practice in 1857, Barlow collaborated with John Hawkshaw to complete the Clifton Suspension Bridge in 1864, utilizing chains from the demolished Hungerford Suspension Bridge. Between 1862 and 1869, he oversaw the Midland Railway's southern extension, designing the St Pancras terminus. The station features a vast cast iron canopy spanning 240 feet, constructed over a raised platform structure.
Bridge Investigations and Legacy
Following the 1879 Tay Bridge disaster, Barlow served on the Board of Trade's Court of Inquiry, which condemned the bridge's design and maintenance. He subsequently led the design of the replacement Tay Bridge and served on the Wind Pressure Commission. A Fellow of the Royal Society and the Royal Society of Edinburgh, he died in 1902 in Charlton.
Fast facts
- Born: 1812, Woolwich
- Died: 1902, Charlton
- Education: Private education and pupillage at Woolwich Dockyard
- Key Invention: Barlow rail, 1849
- Notable Project: St Pancras station canopy
- Professional Membership: Fellow of the Royal Society
- Collaborators: John Hawkshaw, Rowland Mason Ordish
- Citizenship: United Kingdom of Great Britain and Ireland
Questions readers ask
What was the significance of the Barlow rail?
It featured a wide-flanged profile that allowed tracks to be laid directly on ballast, removing the cost of installing and replacing wooden sleepers.
What was Barlow's role after the Tay Bridge disaster?
He sat on the Court of Inquiry that investigated the failure and later led the design of the replacement bridge.
Achievements
- Fellow of the Royal Society
- Fellow of the Royal Society of Edinburgh
