The 1887 catalog from Toronto-based machinery reseller A. R. Williams features Sandiford's Ratchet Drills on page 65. The 1884 Polk's "Manufacturers and Merchants of Joliet" lists William Sandiford as partner in R. & W. Sandiford, foundry and machine shop plus makers of agricultural implements. See also patents 267,462 and CA-18,110.