Machine-tools
Subject
Subject Source: Library of Congress Subject Headings
Scope Note: Bending machines; Drilling and boring machinery; Honing machines; Jig borers; Jigs and fixtures; Lathes; Metal-cutting tools; Milling-machines; Parallel kinematic machines; Planing-machines; Spindles; Tool-steel.
Found in 1 Collection or Record:
Fred C. Ielfield patents
Collection
Accession: 1043
Abstract:
Fred C. Ielfield (1864-1948) was a mechanical engineer and inventor. This collection consists of twelve patents for mail canceling and postmarking machinery, corn-husking machinery, and a cereal cutter, all invented by Ielfield.
Dates:
1901-1946