Beams# Bending stress, continuous beams and moving loads. Galileo’s cantilever (1638) Galileo's cantilever (1638) Navier’s beam theory (1826) Navier's beam theory (1826) Clapeyron’s three-moment equation (1857) Clapeyron's three-moment equation (1857) Winkler’s influence lines (1867) Winkler's influence lines (1867)