Penarth Dock, South Wales - the heritage & legacy . . .
Volume Twelve - Pre-Victorian to the Present Day - further aspects - 1898 - A Clever Piece of Engineering . . .
Figures 9 to 12 inclusive
Figs. 9 and 10 show the arrangements for repairing or renewing the bottom guide rollers, under which the chains for opening the gates passed. It will be seen that the bottom opening of the chain race is closed by a cover made tight by a felt grummet.
