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THE DEVELOPMENT OF THE LOCOMOTIVE. 



The lower figure represents a longitudinal section of a modem French locomotive, for com- 

 parison with the sections of the famous engines of 1829. The weight of the "Rocket," with 

 iLn four-wheel tender which carried 264 gallons of water and 450 pounds of coke was 4^ tons. 

 The French locomotive with its tender in working order, carrying 3300 gallons of water and 

 five tons of coal, weighs 99 tons, and the length of the engine and tender is 56.3 feet. 



