Roads and road-building tools, 1838.
© Science Museum / Science & Society Picture Library
Diagrams of: transverse section of the road between the city of Warsaw and the town of Brzesc; tools for making and repairing roads; iron road hammers; a ring gauge; plumb level for setting out new roads with a proper cros-section, or for repairing old roads; pronged shovel for filling stones into wheelbarrows etc; elevation of the tollgate at South Mimms on the London-Holyhead mail road. The road between Warsaw and Brzesc (posibly Brest in Belorusia) was 100 miles in length and was constructed by command of the Emperor Alexander I, and finished in May 1825. The dimensions are given in 'Polish or Warsaw feet'. Illustration from Thomas Telford's (1757-1834) 'Atlas to the Life of Thomas Telford, civil engineer', published in London in 1838.