19o OF KNÜ1NEEKINU POKMULÆ.
Prussian Railways—continued.
Length of waggon springs .. . . 3 ft. 6 in.
Maximum deflection of springs under
load .. .. ................. 4 inches
Minimum ditto ditto ............... 2 „
Minimum, ht. of break block above rail 5 „
Height of centre of buffers above rails 3 ft. 5 in.
Distance of centre of buffers apart .. 5 it. 9 in.
Distance of side chains apart ... .. 3 ft. 6 in.
Minimum diameter of buffers .. .. 14 inches
Minimum rounded projection .. .. 1 inch
Maximum breadth of carriage .. .. 8 ft 7 in.
Ditto of waggons ................... 7 feet
Maximum height of carriages and
waggons .. .. .. .. • • ■ • 12 it. 4 in.
Fbench Railways.
(Perdonnet et Poloneeau.)
Gauge..................... .. .. 4 ft. 8J in.
Distance of rails apart, centre to ceptre 4 ft. lOf in.
Distance between up and down line.. 5.11 to 6.6
Distance from rails to edge of ditch,-
in good ground in cutting .. .. 3 ft. 3 in.
Width of ordinary ditch at top .. .. 24 inches
Ditto ditto, at bottom......................... 8
Depth............................... 36 „
Width of parapet of bridges .. .. 2G feet
Height of keystone of bridges above
rails................ •• •• • • I? „
Height of horizontal beams above rails 14
Adhesion of wheels—
In summer .. .. • • • • 1 th of weight
In winter foggy weather .. „
Average .. ■■ ......... |th „
Traction of trains per ton—
Goods trains........................ 8'82 lbs.
Passenger „ .. .. ......... 17 ' 0
Express „ .............. .. .. 22
o 2