External crank for lever 13 holes being drilled

Jun 5, 2014

A close view of the holes being drilled to install lever 13's external crank. Note the bricked up lead out with draught exclusion measures behind the driller's arms

A close view of the holes being drilled to install lever 13’s external crank. Note the bricked up lead out with draught exclusion measures behind the driller’s arms

Photo by Graham Peacock