233 
HALL 41. 
Cases 1, 2, and 3. — Containing samples of material tested 
by department of chemical and physical tests of the Pennsylvania 
Railroad Company. 
Case 4. — Relics of early railroad days — lanterns, headlights, 
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. 
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 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; s^lso a pair of cast iron wheels 
on axle, passenger equipment, 1846, and specimens of early rail- 
road track. 
No. 9A. Section of original “T”-rail track, laid on original 
stone block and ties. Old Portage Railway. 
Nos. 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. 9 E.— Collections of small sections of original rails from 
Amboy Div. Pennsylvania R. R. showing the development of the 
rail from 1831 to 1893. 
