Five inch theodolite, 1866. A print from Cyclopaedia of Useful Arts, Mechanical and Chemical, Manufactures, Mining, and Engineering, edited by Charles Tomlinson, Volume II, Virtue and Co, London, 1866
Lazare Carnot, French politician, engineer, and mathematician, 1898. Artist: Gilbert
Lazare Carnot, French politician, engineer, and mathematician, 1898. A print from Les Francais Illustres, by Gustave Demoulin, Hachette, Paris, 1898