Note 103 — EXCURSION V.
Reading edition
The quantity of water discharged by the pumps from many of the Cornish mines is very considerable; thus Huel Abraham discharges from the depth of 1440 feet, about 2,092,320 gallons every 24 hours; Dolcoath, from nearly the same depth, 535,173 gallons in the same time; and Huel Vor, from the depth of 950 feet, 1,692,660 gallons.