Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd the outlet pipe running from the lake to the valve
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd the sluice outlet
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd the outlet dam section
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd This is Llyn Lockwood
Martin Pritchard: Outlet valve from the dam can be seen leading to the valve
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd
Martin Pritchard: UB Boat 98 valve at Llyn Lockwood Pen y Gwryd
Martin Pritchard: Close up of the markings on the pelton wheel
Martin Pritchard: The 110 volt meter.
Martin Pritchard: Not sure what this is
Martin Pritchard: Both meters
Martin Pritchard: The Pelton wheel turbine manufactured by local company O.G. Jones of Portmadoc
Martin Pritchard: The valve from the U boat which opens the water to the turbine
Martin Pritchard: German UB 98 Porthmadog Harbour 1922
Martin Pritchard: Llongau danforol Almaeneg yn y ryfel byd cyntaf yn barod i gael tanseiliwyd. German U boats world war 1 ready to be scuppered.
Martin Pritchard: Llongau danforol Almaeneg yn y ryfel byd cyntaf yn barod i gael tanseiliwyd. German U boats world war 1 ready to be scuppered.
Martin Pritchard: Llongau danforol Almaeneg yn y ryfel byd cyntaf yn barod i gael tanseiliwyd. German U boats world war 1 ready to be scuppered.
Martin Pritchard: Llongau danforol Almaeneg yn y ryfel byd cyntaf yn barod i gael tanseiliwyd. German U boats world war 1 ready to be scuppered.
Martin Pritchard: Llongau danforol Almaeneg yn y ryfel byd cyntaf yn barod i gael tanseiliwyd. German U boats world war 1 ready to be scuppered.
Martin Pritchard: Llongau danforol Almaeneg yn yr ail ryfel byd 2 yn barod i gael tanseiliwyd. German U boats world war 2 ready to be scuppered.
Martin Pritchard: War memorial Llanfrothen, home of the "nuts " from the Porthmadog German U boat
Martin Pritchard: War memorial Llanfrothen, home of the "nuts " from the Porthmadog German U boat