TABLE XIV.

Grand Junction-Mr. Locke's 62 lbs. parallel rail, Fig. 12, Plate III.; 3 feet bearings, 44 inches deep.

TABLE XVI.

Grand Junction, or Mr. Locke's, parallel rail, Fig. 12, Plate III.; 62 lbs. per yard; 4 feet bearings, 4

inches deep.

TABLE XVII.

Grand Junction, 62 lbs. per yard parallel rail, Fig. 12, Plate III.; 3 feet bearings, with lower web reduced to 1 inch broad Experiment after the rail was heated and

with chisel.
cooled.

TABLE XVIII.

Elliptic rail, 50 lbs. per yard, Fig. 19, Plate III.; bearings 3 feet, greatest depth 4 inches, depth at ends 24 inches.