STEAM ENGINE 1ST CENTURY
Heron of Alexandria, who lived in Egypt, have you heard of this? He invented, for a second: vending machines for holy water, automatic doors for churches, a distance meter, a fire pump, fountains, a..
Heron of Alexandria, who lived in Egypt, have you heard of this? He invented, for a second: vending machines for holy water, automatic doors for churches, a distance meter, a fire pump, fountains, a..
