142 
The other safety in this case was operated by a noisy 
ratchet. 
CASE 6. — A Columbia two-track tricycle which was intro- 
duced in 1885. It was the only practicable machine for ladies un- 
til the advent of the drop frame safety. 
Two ladies’ safety bicycles of the earliest type. 
Two men’s safety bicycles, one a Featherstone pneumatic 
tired, which represents the first pneumatic tired bicycle in the 
United States. The tires with which it is fitted are the original 
pneumatic, the first pair made in America. 
A Columbia with ornamentations consisting of 18 karat gold 
mountings, in richly chased designs. 
CASE 7. — Two league chainless, representing the original 
bevel-geared construction. 
ALCOVE 104. 
AGRICULTURAL HACHINERY. 
The material in this collection was contributed by Mr. Cyrus 
H. McCormick. 
Models illustrating the development of moving and reap- 
ing machines. 
Arabian plows. 
Chinese plows, harrows and other agricultural implements. 
Sections of a South American windmill. 
HALLS 37, 38, 39, 40, 55 AND 54, EAST PAVILION. 
DIVISION OF TRANSPORTATION. 
A. 
Marine Transportation: 
Halls 37 and 38. 
B. 
Human Burthen-Bearers : 
: Hall 39. 
C. 
Pack Animals : Hall 40. 
D. 
Land Vehicles: Hall 55. 
E. 
Street (or Tram) Cars: 
Hall 54. 
In the Division of Transportation all methods of marine and 
land conveyance are included, except the steam railway, which 
may be regarded as the culmination of the several series in- 
