View of central section of dam, water and small inflatable boat to the right. A few men working at the top middle section. The image is annotated "View of upstream face showing widened section 4-1-61"
It is stamped on the reverse "Richards Bros,…
Close-up of central section and men working in the shuttering area. The image is annotated "View of footbridge & crest block construction 4-1-61"
It is stamped on the reverse "Richards Bros, Penzance"