Telephone operators could still receive calls with no trouble, but they filled out information by hand on slipsofpaper, and runners took the paper to the appropriate dispatcher, located on the same floor, who radioed responders.
Lewis Fry Richardson, an English meteorologist and mathematician, was ridiculed for his suggestion in 1922 that it might be possible to predict the weather using an army of thousands of mathematicians, sitting at desks in a vast arena and passing slipsofpaper to each other.