200 N.W. 729 NICK DISALVO, Administrator, Appellee, v. CHICAGO, ROCK ISLAND PACIFIC RAILWAY COMPANY, Appellant. Supreme Court of Iowa. November 11, 1924. Supplemental Opinion March 21, 1925. NEGLIGENCE: Acts Constituting — Unallowable Inference. 1 Negligence on the part of a switching crew may not be inferred on a record showing that a slight movement of […]