After several other projects where single and triple tracks had failed, on 22 July William Ashbee Tritton, director of the agricultural machinery company William Foster & Company of Lincoln, was given the contract to develop a "Tritton Machine" with two tracks.
Efter adskillige andre projekter med enkelt og tripel kæder var slået fejl fik William Ashbee Tritton, direktør for landbrugsmaskinfabrikanten William Foster & Company i Lincoln den 22. juli en kontrakt på udvikling af en "Tritton Machine" med to kæder.