Part Of: Notebook Series -- Notebooks by Other Experimenters -- General Experiment Books -- P. C. Christensen Book

[NB259-F] N-12-04-19 (1912-1913)

This notebook was used by Peter C. Christensen during March 1912-September 1913 for experimental notes on a variety of subjects. The entries at the beginning of the book contain data on rust experiments with nails. There are also experiments on dissolving ferric hydroxide and purifying graphite, along with tests on asphalt, violin rosin, and celluloid film Other entries pertain to experiments with regenerating battery components. In the middle of the book is a series of experiments on wax, numbered from 1 through 37, with a few comments by Edison. Related material can be found in N-13-08-25.2, Notebooks by Edison. The pages are unnumbered. Approximately 150 pages have been used.

Only the 33 pages relating to wax testing have been selected.

Courtesy of Thomas Edison National Historical Park.

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