Help Shopping Cart Contact Site Map ... Home Fun Facts Back in the late 1600's, the Dutch invented the two-sheet mold. Many molds at that time were around 17" front to back because the laid lines and watermarks had to run from left to right. Sounds big?...well to maximize the efficiency of paper making, a sheet this big was made, and then quartered, forming four 8.5" x 11" pieces. This was well before paper machines dominated hand made paper labor. Oddly enough, the used two different sizes - the 8" x 10.5" and the 8.5" x 11". Once these committees found out about each other a couple years later, they agreed to disagree until the early 1980's when Reagan finally proclaimed that the 8.5" x 11" was the official standard sized paper. United States History Not until World War I or shortly after was a standard paper size agreed to in the United States government letterhead standard. Hoover 's program for the Elimination of Waste in Industry. The size for "letter" was a 17" x 22" 17" x 28" sheet. The later known letter format was these sizes halved ( Even in the selection of the ", no special analysis was made to prove this was the optimum size for commercial letterhead. | |
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