Penciled on back - Surge-chamber in course of construction also framework of tunnel.

Written on back with blue ballpoint pen – Mr & Mrs W. H. Walker.

This photo used in book – ‘An eye for country, the life and work of Leslie Adkin’ between pages 112 & 113, & dated as having been taken 20 May 1923.

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Surge chamber, showing outlet to penstock pipes with Mr & Mrs Bill Walker. See also – #.0013

This photo used in ‘Leslie Adkin book’, between pages 112 & 113.

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Penciled on back - Surge-chamber (Ernie Lancaster & Bill Walker)

Photo taken same day as #.0014 (which is pictured in ‘Leslie Adkin book’ and dated as being taken on 20 May 1923).

Mangahao Hydro-electric Scheme, 1920’s 1 Sepia tone photo print – Fragile

Surge chamber, showing inlet tunnel from Lower Mangahao Dam with Ernie Lancaster (left) and Mr & Mrs Bill Walker. See also – #.0014

Any use of this image must be accompanied by the credit “Horowhenua Historical Society Inc.”

Concrete lining of the Mangahao surge chamber - 75ft in diameter at the top and 75ft deep.

Excavation for surge chamber, Mangahao Hydro project. Photographed by George Leslie Adkins 27 August 1922.

Inscriptions: Inscribed - On album page - beneath image: Fig 122. The excavation for the surge chamber completed and ready for the lining of concrete. The pit is 75ft in diameter at the top and 75ft deep. 27.8.22.

From: http://natlib.govt.nz/records/22540601?search[i][category]=Images&search[path]=items&search[text]=mangahao