Visual Materials
An automatic rubbish rake along the canal line at Santa Ana River #1 Hydro Plant
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The automatic rubbish rake on the canal line at Mill Creek #2 Hydro Plant
Visual Materials
The automatic rubbish rake on the canal line at Mill Creek #2 Hydro Plant.
photCL SCE 01 - 00073

The automatic rheostat in the interior of Santa Ana River #1 Hydro Plant
Visual Materials
The automatic rheostat in the interior of Santa Ana River #1 Hydro Plant.
photCL SCE 01 - 00229

The automatic gate closer at Santa Ana River #1 Hydro Plant
Visual Materials
The automatic gate closer at Santa Ana River #1 Hydro Plant, [showing the sign that explains the control.]
photCL SCE 01 - 00036

The Santa Ana River 33kV Line: the Junction Pole of Mill Creek #3 Hydro Plant and the Santa Ana River #1 Hydro Plant
Visual Materials
The Santa Ana River 33kV Line: the Junction Pole of Mill Creek #3 Hydro Plant and the Santa Ana River #1 Hydro Plant, [World-record distance in transmission of electricity - Santa Ana River to Los Angeles 33kV line as it originally appeared]
photCL SCE 01 - 00284

An operator at Lombard Governor #4 at the Santa Ana River #1 Hydro Plant
Visual Materials
An operator [Ben Pearson] at Lombard Governor #4 at the Santa Ana River #1 Hydro Plant, [demonstrating the operation of the Lighthipe Automatic Governor.]
photCL SCE 02 - 02685

The sandbox at Santa Ana River #1 Hydro Plant
Visual Materials
The sandbox at Santa Ana River #1 Hydro Plant.
photCL SCE 01 - 00078