-------------------------------+--------------------+----------+---------- | Weight per mile | Price. | Amount. | of single line. | | -------------------------------+--------------------+----------+---------- |tons. cwt. qrs. lbs.| £ s. d. | £ s. d. Steel bull-head rails, 80 lbs. | | | per yard (26-ft. lengths) | 125 14 0 0 | 5 0 0 | 628 10 0 Steel fish-plates (deep), | | | 37 lbs. per pair | 6 14 1 0 | 6 15 0 | 45 6 2 Fish-bolts and nuts | 1 4 3 0 | 12 15 0 | 15 15 7 2030 creosoted sleepers, | | | 9 ft. × 10 in. × 5 in. | -- | 0 3 10 | 389 1 8 4060 cast-iron chairs, | | | each 40 lbs. | 72 10 0 0 | 3 10 0 | 253 15 0 8120 iron cup-headed spikes | 3 12 2 0 | 10 0 0 | 36 5 0 4060 tree-nails, at per 1000 | -- | 3 10 0 | 14 4 2 4060 oak keys, at per 1000 | -- | 5 0 0 | 20 6 0 -------------------------------+--------------------+----------+---------- £|1403 3 7 ---------------------------------------------------------------+---------- STEEL BULL-HEAD RAILS (75 LBS. PER YARD). _Estimated Cost of Materials for One Mile of Single Line._