Continental drift was a theory that explained how continents shift position on Earth's surface. Set forth in 1912 by Alfred Wegener, a geophysicist and meteorologist, continental drift also explained why look-alike animal and plant fossils, and similar rock formations, are found on different continents.
A drum carder is used to card fibers such as wool fleeces, alpaca locks, angora and other fibers. Most carders have two drums. The smaller drum is designed to draw the fibers in, transferring it to the larger drum thus creating a batt for spinning and felting.erfect if you have lots of fleeces to card. Almost 12 inches in width, the Louet XL Drum Carder is huge. Combine that with the large diameter drum that makes a batt approx. 30 by 12 and you will go thru your fleeces better than ever before.
Historical Examples. 1  The large runner and the doffer require to be cleaned together. 2  She saw what it meant to be a doffer, a reeler, a silk-twister. 3  The doffer comb, a serrated metal plate the length of the rollers, removes the carded fibers from the last roller or doffer. The Scholfield Wool-Carding Machines Grace L. Rogers doffer, dofâ²Är, n. the part of a carding-machine which strips the cotton from the cylinder when carded. Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) Various Having passed the flats, the cotton is deposited by the cylinder on what is termed the doffer. The Story of the Cotton Plant Frederick Wilkinson The tow is then removed from the brush by a doffer roller, from which it is finally removed by a doffing knife.