Note 35 — Chapter XXIII · ON MINES IN GENERAL.
Reading edition
In the North of England the prices of boring in the ordinary strata of that coal-field are as follows:—
s. d.
First five fathoms 5 6 per fathom.
Second five ” 11 0 ”
Third five ” 16 6 ”
Fourth five ” 22 0 ”
and so increasing 5s. 6d. per fathom on each succeeding depth of five fathoms. In boring through very hard strata the prices are from 80 to 100 per cent. higher.