Miniature railroad-style conveyor operates inside Chicago Tribune paper storage warehouse

The video tutorial explains the invention of the Vanderhorst East and West Railroad by Mr. Fred Vanderhorst, which is used to transport paper for the Chicago Tribune. It details the loading process where paper rolls are loaded onto trucks, held in place by their weight and a depression in the truck body. The process relies on gravity to move the paper to its stacking location.

How does gravity assist in the loading process?

What happens to the roll of paper after it is given a shove?