Illinois vs. August Spies et al. trial evidence book. People's Exhibit 133A.
Blast furnace - first view
1 photoprint: col.; 8 7/16 x 5 3/16 in.
Introduced into evidence during testimony of Martin Quinn (Vol. K p. 498-503), 1886 July 28.
Photograph. Caption beneath first view reads, "Blast furnace or machine referred to in testimony of Inspector John Bonfield and Mahlendorf."