142 
of Mines and Mining, World's Columbian Exposition. The 
steamer represented is 200 feet long, 42 feet wide, with cylinder 24 
inches in diameter and 12 foot stroke of piston, and has seven 
boilers. The barges are each 130 feet long, 25 feet wide and 7^ 
feet deep, each carrying almost 13,000 bushels of coal. The 
steamer and tow, when running, occupy a space of 700 feet long 
and 150 feet wide. 
Model of a raft of logs in the Mississippi River, being towed 
by the stern-wheel steamboat ‘ ‘Juniata.” The steamer is hitched 
to the raft bow on and by means of guy-ropes run to the nearest 
corners of the tow, the steamboat is' made to direct the course of 
the raft. The model of the steamboat is of metal. The model of 
the raft is made of white pine branches cut in Northern Wiscon- 
sin. Both boat and raft are constructed on ^ inch scale. 
Case 2. — Models of river rafts and boats. The Jolly Boat — 
ferry boat of the Ganges. The Donga fishing and hunting boats. 
River trading boats from Malay Peninsula and China. 
Case 3, — Ship barometer, log books, charts, chronometer, 
compasses and quadrants from old whaling vessels. 
Case 4. — Wooden model of the “Santa Maria." Apiece of 
wood from each exposition building (except concession stands) 
erected before May i, 1893, in Jackson Park, is incorporated in 
this model, which is made to an exact scale. 
No. 5. — Standard containing drawings, lithographs and prints 
of.marine engines and experimental naval appliances. A letter 
to First Consul Napoleon of France from Robert Fulton, pertain- 
ing to plunging boats or masked batteries for use in the destruc- 
tion of vessels in naval warfare, is shown here. 
No. 6. — Statue of Robert Fulton. 
No. 7. — Statue of John Ericsson. 
No. 8. — Statue of Denis Papin. 
No. 9. — Statue of man at the wheel, typical of marine trans- 
portation. 
Case 10. — Experimental flying machine driven by compressed 
air. The machine was built by Lawrence Hargrave, of Stan- 
well Park, New South Wales, who has built eighteen experi- 
mental and successful flying machines, of which this is No. 14. 
An experimental test was made with this machine on March 3i» 
1892, and at a pressure of 250 pounds in the main tube, it flew 312 
feet in^nineteen seconds. 
