MARINE K.\(;iNi;S AND AN I-AKLV I WE Ol t>l I.AMIJOAT. 



The small figure in the ccntn' ref)rcsents a \cry remarkable sleamboal construrtc<l in 

 Amerira by John Fitch. The precise dale of its construction is not clearly establishccl, but 

 the inventor had made efforts at steam navigation as early as 1776. The upper figure shows 

 a marine engine made in Scotland in 1788 for Patrick Miller by William Symington. It 

 lys used to equin a double-hulled pleasure boat which it is said to* have propelled at the rate 

 «^vc miles an hour. The motive jxiwer is supplied by two otn-n-top Newcomcn cylinders. 

 The lower figure represents a mcxiern side wheel steamer with oscillating engines. 



