History of Steam on the Erie Canal
The Fountain City is a common boat, with machinery at her stern. She has two submerged horizontal, excentric-acting paddle-wheels, each of small diameter. These are placed under her quarters, in the rudder cross-section, and she is steered by her machinery. The characteristics of these wheels are like the Excelsior's, and the eccentric variations of both--together with the Byron's, Montana's and Viele's--are known as old devices of secondary merit on river, lake and ocean steamers.
The Santiago is a scow-boat, with a recess, or flume, the whole length