She cut up her wedding dress into strips of silk to insulate the wire windings.
Further Reading
Frank Wicks. "The Blacksmith's Motor. Electricity, magnetism, and motion: A self-taught Vermonter pointed the direction for lighting the world." (http://www.memagazine.org/backissues/july99/features/blacksmith/blacksmith.html) Mechanical Engineering (http://www.memagazine.org), July 1999 (http://www.memagazine.org/backissues/july99/features/feat_toc.html).
Emily and Laura are first found in Iowa in the October 1850 census of Fairfield, Jefferson County living with their parents James Cole, 41, and Harriet, 40.
Emily, about 15, was not found in the 1856 census, but by 1860 she was living with her Uncle George B. Hitchcock, a minister, in Lewis, Cass County, Iowa.
Emily died in Golden, Colorado, according to her obituary (not dated) she was 81 years old, that would mean that she died after May 1922.