Sharp Brothers design office

'Sharp Brothers design office' refers to the locomotive design and drawing office of the Manchester firm variously known as Sharp, Roberts and Co., Sharp Brothers, and from 1852 Sharp, Stewart and Co., one of the most prolific and influential British Victorian locomotive builders whose Atlas Works in Manchester supplied engines to railways across Britain and worldwide through the Victorian era before the firm merged with Neilson Reid and Dübs in 1903 to form the North British Locomotive Company.

Sharp Brothers traced its locomotive-building lineage to Richard Roberts's work at the Manchester firm from the 1820s, and the Atlas Works built locomotives for many of the earliest British railways, developing a house style based on the inside-cylinder 2-2-2 and 2-4-0 passenger types and 0-6-0 goods engines that dominated British practice through the mid-Victorian era. The firm's designs were distinguished by sound proportions, reliable engineering, and the manufacturing consistency that came from building large numbers of similar machines.

Sharp Stewart's export business was particularly significant: the firm supplied locomotives to railways in India, Australia, South America, and across the British Empire, and its designs — adapted to local conditions — spread British locomotive engineering practice internationally. After the 1903 amalgamation into the North British Locomotive Company, the Atlas Works continued as one of NBL's three Glasgow-area manufacturing sites, contributing to the enormous wartime and export locomotive programmes that made NBL one of the largest locomotive builders in the world in the early twentieth century.