Ephemera · 1 page
A blank printed form for assigning rights to Thomas White's silk machine, a device for finishing silk for the loom or needle, patented in the United States on 30 December 1841. The form is an indenture with blanks for the assignee, the price, the counties and state covered, and the date, plus a seal and witness line. It conveys the patent rights for the named territory only.