These NFL footballs are born on the backs of Midwestern cows from Iowa, Kansas, and Nebraska, which are brought to a tannery in Ada and treated with a top secret football-weather-optimizing tanning recipe. This is to keep kickers from doctoring the balls.
What has changed drastically over the last 30 or so years is the material the ball is made of and the shape of the panels that make up the ball. This Day In History.
Random House. No pigskin.
Sign up. These dimensions remain today, as does the ball's shape, which has been called a "prolate spheroid" since 1890. By the 1900's bladders were made with stronger rubber and could withstand heavier pressure.
They would play a game using their feet and hands to keep the "ball" in the air. Lindon developed one of the first inflatable rubber bladders for balls. Different countries favored different types of soccer balls in the early days of international soccer.
Another question often associated with what a football used to be made out of is, "How did American footballs get their shape? Wilson Sporting Goods Co. Despite this, they are savage predators who shoot out grapple-like hooks to reel in passing fish.
When the rules were revised in 1872 it was agreed that the ball "must be spherical with a circumference of 27 to 28 inches" 68. The game was stopped several times that day while the teams called for a little key from the sidelines.
Inside the ball is a high-tech three-ply polyurethane bladder. So they decided to use an Argentinean ball the first half and a ball supplied by Uruguay in the second half.