63 
HALL 41 . 
CASES 1, 2 AND 3. — Containing samples of material tested 
by department of chemical and physical tests of the Pennsyl- 
vania Railroad Company. 
CASE 4. — Relics of early railroad days — lanterns, head- 
lights, pieces of track, etc., etc. 
CASE 5. — Models showing early train signal and early 
block signals, together with rails, section of track system, 
switches, and frogs. 
NO. 6. — The original Saxby and Farmer interlocking 
switch. This is the earliest successful switch ever used in 
America. 
STAND 6A. — Relics of early rail joints, car springs, etc., 
etc. 
STAND 6B. — Relics of early track appliances, etc., etc. 
NO. 7. — Original Camden & Amboy car, 1836, standing on 
the original block stone and the original rail of that period. 
NO. 8. — An original section of the early wooden stringer 
and strap-rail construction, together with one of the original 
driving wheels of the “John Bull” locomotive, 1831, and wooden 
switch lever, with signal and cross, 1835 ; also a pair of cast iron 
wheels on axle, passenger equipment, 1846, and specimens of 
early railroad track. 
NO. 9A. — Section of original “T” rail track, laid on origi- 
nal stone block and ties. Old Portage Railway. 
NOS. 9B AND 9C. — Two pair Camden & Amboy wooden 
passenger car wheels, 1848. 
NO. 9D. — Freight car wheel, with split-hub keyed to the 
axle. On the east side of the car are old rails, etc. On the 
west side are models of early railroad appliances. 
NO. 9E. — Collections of small sections of original rails 
from Amboy Div. Pennsylvania R. R. showing the development 
of the rail from 1831 to 1893. 
HALL 57. 
CASE 1. — Models of the original “John Bull” and train, 
1831. Model of the locomotive “John Stevens,” 1825. Model 
