 There were 350 vats, 6 heaters, 12 leaches, two bark mills driven by a great wheel, and three hide mills.Tannery foreman Osmer B. Wheeler later went on to open his own tannery, in Forestburgh, New York, and became a member of the New York State Senate.On April 25, 1820, Pratt was chosen as Captain of the Fifth regiment of New York State Artillery, which consisted of 130 men.