View looking down into working area, with men and machinery. Dam on right. Image is annotated "View of filter area, downstream of spillway 2-5-60"
Stamped on reverse "Richards Bros, Penzance"
View of scaffolding and construction of overflow section. Several workers on the site including two high up on the top part of scaffolding. It is annotated "Construction of upstream side of overflow section 2-5-60"
On the reverse it is stamped…
View of overflow section, three men in centre of image. It is annotated "Downstream side of overflow section 2-5-60"
Stamped on reverse "Richards Bros, Penzance."
Men working on the spillway, including a man with a theodolite standing on foundation. Crane on right is lowering something. The image is annotated "Spillway foundation excavation view from left bank upstream 4-4-60"
View of construction work across the valley. Several men working on the scaffolding and in the spillway, a crane to the left. The image is annotated "Spillway excavation from left bank 2-3-60"
View of excavation work for spillway. Men at work in bottom centre of image, between two cranes, one above left and the other to their right by scaffolding. The image is annotated "Spillway excavation from right bank 2-3-60"
View of construction of shuttering for the spillway, men can be seen working with scaffolding poles centre right. Image is annotated "Shuttering spillway section left bank 2-3-1960"