"Zonca 1607, watermill & edge runner"
"Zonca 1607, water powered edge runners"
Chao Xai Mill, Kollergang & Pulp
Chao Xai Mill, Kollergang & Pulp
Chao Xai Mill, Empty Kollergang.
"Scheider Paper Mill - Kollergang "
"Scheider Paper Mill - Kollergang "
China. Jiu Du Kollergang Edge Runner
China - Kaili. Ping Liang. Vat & Kollergang in river.
China - Kaili. Ping Liang. Kollergang in river.
China - Kaili. Ping Liang. Close up at Kollergang.
China - Kaili. Ping Liang. Kollergang in use.
China - Kaili. Ping Liang. Kollergang in river.
China - Sanshui - Jie Pai Mill - Bamboo Ox Kollergang.
China - Sanshui - Jie Pai Mill - Bamboo Ox Kollergang.
China - Sanshui - Jie Pai Mill Ox Kollergang. Bamboo
Hagen, Kollergang
Hagen, Kollergang
Cliff Mill, Hessle, stone
Diagram of an ochre crusher, St Eilian Colour Works, nr Amlwch, Anglesey