Corrugated fiberboard is a paper-based material consisting of a fluted corrugated sheet and one or two flat linerboards. It is made on flute lamination machines or corrugators and is used in the manufacture of shipping containers and corrugated boxes.
Gravely Lawn Tractor History. The Gravely Motor Plow Company was founded in 1916 in Dunbar, West Virginia building a successful line of two-wheel walking tractors. The company later moved to Charleston, North Carolina and, in 1964, Gravely entered the four-wheel garden tractor market.
In the United States, the first gasoline powered mowers were manufactured in 1919 by Colonel Edwin George (you had to guess that it would take a military man to get some real power behind those whirling blades). However, before the Second World War the power mower was little used in most neighborhoods.