Posted by Harry Miller on May 26, 2004 at 01:27:45 from 216.209.73.145 user dreadnaught.
In Reply to: Re: Coniston Old Man and Coppermine Valley posted by David Bamford on May 23, 2004 at 23:29:11:
"The descending full skips would have provided the power to haul the empty ones up the hillside."
Here is a picture of the Kirkfield lift lock, one of two such operating on the Trent Severn waterway here in Ontario. These operate on the same principle, also a link to the site for a more detailed explanation.