Visual Materials
C1.1 - Charts miscellaneous
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C1.1 - Charts miscellaneous
Visual Materials
C1.1 - Charts miscellaneous - Chart showing cost of electricity for various lamps
photCL SCE 02 - 02703

C1.1 - Charts miscellaneous
Visual Materials
C1.1 - Charts miscellaneous - A chart showing the relative cost of candle hours over a span of six years between 1908 and 1914.
photCL SCE 02 - 02620

C1.1 - Charts miscellaneous
Visual Materials
C1.1 - Charts miscellaneous - A comparative load factor chart for the months of September 1908, 1909, 1910, and 1911.
photCL SCE 02 - 00666

C1.1 - Charts miscellaneous
Visual Materials
C1.1 - Charts miscellaneous - A comparative load factor chart for the months of August 1908, 1909, 1910, and 1911.
photCL SCE 02 - 00667

C1.1 - Charts miscellaneous
Visual Materials
C1.1 - Charts miscellaneous - A chart of cost current for one year.
photCL SCE 02 - 00440

C1.1 - Charts miscellaneous
Visual Materials
C1.1 - Charts miscellaneous - Work Cost Chart for new vs. reconditioned transformers.
photCL SCE 02 - 05974