Bramah Joseph Diplock
Bramah Joseph Diplock was an English inventor who invented the pedrail wheel
Pedrail wheel
The pedrail wheel is a type of wheel developed in the early 20th century for all-terrain locomotion. It was used in agricultural machinery and was considered as a possible technique for the development of the tank in World War I, but was ultimately replaced by the more robust continuous track...

 in 1903.

He also invented the pedrail locomotive
A locomotive is a railway vehicle that provides the motive power for a train. The word originates from the Latin loco – "from a place", ablative of locus, "place" + Medieval Latin motivus, "causing motion", and is a shortened form of the term locomotive engine, first used in the early 19th...

 which was featured in the 7 February 1904 New York Times.

Diplock founded the Pedrail Transport Company of Fulham
Fulham is an area of southwest London in the London Borough of Hammersmith and Fulham, SW6 located south west of Charing Cross. It lies on the left bank of the Thames, between Putney and Chelsea. The area is identified in the London Plan as one of 35 major centres in Greater London...

, which was before World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 the only British company to manufacture "caterpillar" continuous tracks. A demonstration of the system's ability to support a large load for trench warfare
Trench warfare
Trench warfare is a form of occupied fighting lines, consisting largely of trenches, in which troops are largely immune to the enemy's small arms fire and are substantially sheltered from artillery...

 was made on 16 February 1915 to Winston Churchill
Winston Churchill
Sir Winston Leonard Spencer-Churchill, was a predominantly Conservative British politician and statesman known for his leadership of the United Kingdom during the Second World War. He is widely regarded as one of the greatest wartime leaders of the century and served as Prime Minister twice...

, and may have been influential in the development of the tank
A tank is a tracked, armoured fighting vehicle designed for front-line combat which combines operational mobility, tactical offensive, and defensive capabilities...

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