Tornadoes - Severe Convective Storms and Tornadoes: Observations and Dynamics - page 305

Figure 6.1. Early drawing of condensation funnels, underneath cumuliform clouds, associated
with tornadoes, in the U. S. in 1882 (courtesy of History of Science Collections, University of
Oklahoma Libraries).
Figure 6.2a. Old drawing (or photograph) of a tornado in the U. S. in 1884 (courtesy of
History of Science Collections, University of Oklahoma Libraries).