As a point of providing correct information, the H-10-H picker at the Smithsonian is serial number 525 or the 25th machine built and sold by IH. It was sold in California, a 1943 model and one of the last H-10-H pickers made. H-10-H sn# 501 was built in 1941 and sold to Hopson Plantation, Clarksdale, MS in 1942. In 1946 after the harvest was complete Hopson sold the picker without tractor to John Deere. After John Deere reverse engineered for their picker, including using the cast top for a mold for the JD #1 and #8 row units, H-10-H sn# 501 was scrapped. #'s H-10-H produced by year were 12 in 1942 and 16 in 1943. These numbers include as many as 3 engineering machines that were later re numbered and sold, so there is some confusion as to the exact number of machines of that model that existed. The number would be between 25 and 28 total. IH produced one M-10-H in 1943 and 40 in 1944, all on M tractors. No pickers were produced in 1945. In 1946, 65 model M-11-H pickers on M tractors were produced. The M-12-H picker actually began in 1947 with about 175 pickers being produced that year in Memphis.
The mechanical spindle type cotton picker development goes back to as early as 1850. Angus Campbell patented his first picker in 1889 and had 10 units in the field in 1910. IH bought his patents in 1924 and had plans and began to collect parts to produce a commercial run in 1929. These would have been similar to Campbell's machine except mounted on tractors and some improvements including a spindle water flush system (not continuous moistening)to remove plant gums from the spindles. There were at least five different inventors from 1880 until 1920 that worked on a spindle type harvester and received patents, all located in the Central Texas area.
During the 1930's, IH engineers recognized the need for cleaning and drying machinery in the gin in order to get the best lint quality possible. This was generally recognized as one color grade and trash level lower than hand picked cotton. Gins were quick to add machinery after WWII to handle machine picked cotton, as pickers were introduced.
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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