DescriptionYakov Perelman - Physics for Entertainment (1913) - Heron's fountain.png English: Heron's fountain as shown in Physics_for_Entertainment, 2 (1916)...
DescriptionYakov Perelman - Physics for Entertainment (1913) - Heron's fountain - Fig 54 and 55.png English: Heron's fountain as shown in Physics_for_Entertainment_(1913)...
_-_Heron's_fountain.png){kind=link}
_-_Heron's_fountain_-_Fig_54_and_55.png){kind=link}