S. C. Mendenhall's Hand Loom, Patent #22,533, Jan 4, 1859.

 S. C. Mendenhall’s Hand Loom, Patent #22,533, January 4, 1859. A patient drawing for a semi-automatic counterbalance loom. No treadles are present. The drawing shows a gear or pulley between the warp beam and the castle supports, a fairly tall castle with a pulley system for the shafts, an attachment point for the beater bar on the lower crossbeam, and recurved front corner posts.