Skip to content

Portal Powerhouse - Butterfly valve attached to turbine nozzle | Collections | The Huntington

Membership

Donate

Store

OPEN TODAY: 10 A.M.–5 P.M.

Home
Collections
Search
Southern California Edison collection of negatives and photographs
Portal Powerhouse - Butterfly valve attached to turbine nozzle

Visual Materials

Portal Powerhouse - Butterfly valve attached to turbine nozzle

Description: Portal Powerhouse - Butterfly valve attached to turbine nozzle - Penstock bulkhead still in place.
Type: Visual Materials(Opens in new tab)
Date: 6/28/1956
Call number: photCL SCE 02 - 44608
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

Subscribe to our e-newsletter

About
Accessibility
Land Acknowledgment
Using the Library
Careers
Host an Event
Volunteer
Press
Contact Us
Filming/Photography

Opening Hours

Daily: 10 A.M.–5 P.M.

Closed on Tuesdays

Admission Info and Tickets

1151 Oxford Road
San Marino, CA 91108

Privacy Policy
Social Media Guidelines and User Policy

©2026 The Huntington

Charity Navigator

You might also be interested in

Portal Powerhouse
Visual Materials
Portal Powerhouse - Installing temporary 3/8" plate bulkhead at end of turbine branch of penstock inside structure.
photCL SCE 02 - 43777
Portal Powerhouse
Visual Materials
Portal Powerhouse - First stages of Scroll Case and Butterfly Valve.
photCL SCE 02 - 44617
Image not available
Big Creek Powerhouse #3 - Unit 4
Visual Materials
Big Creek Powerhouse #3 - Unit 4 - Assembly of penstock & butterfly valve to turbine.
photCL SCE 02 - 28290
Portal Powerhouse
Visual Materials
Portal Powerhouse - Installation of penstock supports in pipe. View from downstream side of bulkhead.
photCL SCE 02 - 43654
Portal Powerhouse
Visual Materials
Portal Powerhouse - Installation of penstock supports in pipe. View from downstream side of bulkhead.
photCL SCE 02 - 43655
Big Creek - Mammoth Pool - Upper butterfly valve, Tunnel Portal, and Anchor "F"
Visual Materials
Big Creek - Mammoth Pool - Upper butterfly valve, Tunnel Portal, and Anchor "F".
photCL SCE 06 - 46240