Scope and content Correspondence, bills and accounts, contracts and other legal documents, inventories, reports, specifications and drawings, American and foreign patent papers, and related items, Horton's papers deal largely with the patenting, manufacture, and sale of his inventions, which include a clapboard gauge, a reaper and binder, a berry harvester, a combined hammer and nail feeder, and a basket-making machine; the bulk, which pertains to the perfection of the basket-making machine and the...