Part of PICRYL.com. Not developed or endorsed by the Library of Congress

diameter penstocks

public
3 media by topicpage 1 of 1
Welding of the 30' diameter penstocks for the Boulder power plant

Welding of the 30' diameter penstocks for the Boulder power plant

In album: Boulder Dam: a portfolio of photographs prepared for Hon. Harold L. Ickes, Secretary of the Interior, photographs and format by B.D. Glaha, Boulder City, Nevada, 1934. Inventory title: Top workings o... More

Welding of the 30' diameter penstocks for the Boulder power plant

Welding of the 30' diameter penstocks for the Boulder power plant

In album: Boulder Dam: a portfolio of photographs prepared for Hon. Harold L. Ickes, Secretary of the Interior, photographs and format by B.D. Glaha, Boulder City, Nevada, 1934. Inventory title: Top workings o... More

Welding of the 30' diameter penstocks for the Boulder power plant

Welding of the 30' diameter penstocks for the Boulder power plant

In album: Boulder Dam: a portfolio of photographs prepared for Hon. Harold L. Ickes, Secretary of the Interior, photographs and format by B.D. Glaha, Boulder City, Nevada, 1934.