Close-up of shuttering for spillway. Image is annotated "Spillway foundation excavation. View from right bank upstream. 4-4-60"
View of construction and scaffolding. Image annotated "Spillway construction looking upstream from right bank 4-4-60"
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"
Close-up view of spillway construction. Image is annotated "Spillway construction looking upstream from left bank. 4-4-60"
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."
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 "Richards Bros Penzance"
General view of the dam. The image is annotated "View from left bank looking upstream 2-5-60" Reverse is stamped "Richards Bros, Penzance"
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"
Image is annotated "Downstream side of overflow section from right bank 2-5-60" Stamped on reverse "Richards Bros, Penzance"
View of the overflow section, with filter area. It is annotated "View from left bank looking upstream 2-6-60"
Close up of men working on trench and around crane. Image is annotated "Cut off trench, spillway section and valve tower 2-6-60"
General view of construction. Image is annotated "Cut off spillway section 2-6-60"
General view of construction work across the valley. It is annotated "View upstream from right bank 2-6-60"
View of construction across the valley. Image is annotated "Construction of tail bay walls 2-6-60"
Close-up of concrete and shuttering work, men working on trench (bottom right) and up on scaffolding (centre left and top right) The image is annotated "Cut-off spillway section 2-6-60"
Men at work on the tail bay section. Some with wheelbarrow and shovels, other machinery in background. Image is annotated "Tail bay excavation looking upstream 30-6-60"
General view of busy site, lots of men working including one bottom right standing on a horizontal ladder spanning a trench. Image is annotated "Tail bay channel excavation from upstream of dam 30-6-60"
Overview of the construction. Site office and Mcalpine sign can be seen top right. Image is annotated "Tail bay, apron and walls 30-6-60"
View of one side of dam from the apron. The image is annotated "Concrete apron over sand filter 30-6-60"