Dry gallon measure of approximately the same size, though the dry gallon is a bit bigger. 1 dry gallon ≈ 1.163 647 fluid gallons Its implicit value in the US system was originally one eighth of the Winchester bushel, which was a cylindrical measure of 18.5 inches in diameter and 8 inches in depth. That made the dry gallon a non-terminating number of cubic inches, an irrational number whose value with the first six digits after the decimal point was 268.802521 ( cubic inches ≈ ). The bushel was later defined to be exactly 2150.42 cubic inches, making the dry gallon exactly
Gary Gallon political arena made him an authority on "Green" economics. In the early 1990s he became president of Montreal-based think tank called the Canadian Institute for Business and the Environment (CIBE) "filling" what he called the "knowledge gap" of protecting the environment based on the logic of economics. On July 3, 2003, Gary Gallon died after a long battle with cancer. He was 58. Gary Gallon Gary Thomas Gallon (October 1, 1945 – July 3, 2003) was a Canadian environmental activist and policy advisor. President of the Canadian Institute for Business and the Environment, and editor of "The Gallon Environment Letter",