Browse Items (93 total)

General view of excavation works. One man can be seen in the centre of the image above the track by a ladder. Image is annotated "Works on left bank of river looking upstream 3-9-59" Stamped on reverse "Richards Bros Penzance"

View of the layers of excavation. Image is annotated "Excavation & concrete left bank of river 3-9-59"
Stamped on reverse "Richards Bros Penzance"

General view of excavation works. Several men working on the site, including a man walking along the shuttering (centre) and also men along scaffolding on right. Annotated "Concrete works right bank of river looking upstream 3-9-59" Stamped on…

Overview of excavation work, several men at work, some on scaffolding bottom right and others by the pump in the centre.
Annotated "Overflow section excavation 4-12-59"
Stamped on reverse "Richards Bros, Penzance"

Closer view of the left bank construction with McAlpine crane in foreground. A couple of men standing on the shuttering just above crane arm.
Image is annotated "Shuttering of left bank monolith 4-12-59"
Stamped on reverse "Richards Bros,…

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…

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"

Close-up of concrete. The image is annotated "View at line 216-220 OD. of monolith 9C left side 5-8-60"
Stamped on reverse "Richards Bros Penzance"

View of construction from base. The image is annotated "View from tail bay 5-8-60" The reverse is stamped "Richards Bros, Penzance"

General view of construction and valley.
Image is annotated "View from upstream side of overflow section of dam 5-8-60"
The reverse is stamped "Richards Bros, Penzance"

View across the construction site to fields beyond. The image is annotated "View of tail bay from right bank 5-8-60" Stamped on reverse "Richards Bros, Penzance"

Drawing of completed dam at Drift, entitled "Penzance Corporation Lower Drift Dam"
Annotated on left bottom "Herbert Lapworth Partners Engineers", and on right "John A Stubbe FRIBA Architect"

Excavation of site for Drift Dam.
Annotated "2 curyd(?) Concrete Batching Plant 8-6-59"
Note McAlpine sign on building.

Image is annotated "View of rock excavation on right bank 8-6-59"

General view of excavation annotated "View from right wing showing excavation in monolithic 7-8 8-6-59"

Large pipe in foreground balanced on wooden beam, two men in top right near lorry.

Close-up image of digging the monolith for the dam. Four men can be seen in the trench to the left of the tall ladder digging with hand tools. It is annotated "Foundation for monolith 3-9-59"
Stamped on reverse "Richard Bros Penzance"

View along channel towards the McAlpine works on left. Several men building a scaffolding bridge across the channel.
The image is annotated "Downstream diversion channel 3-9-59"