PDF: Archive.org
CSV: Metadata
Metadata
- Resource class
- Physical Object
- Title
- Notebook #9 N-78-12-15.1 (1878-1879)
- Description
-
This notebook covers the period December 1878-March 1879. All of the entries are by Edison, Charles Batchelor, and Francis Upton, with the exception of a few drawings by John Kruesi. The name of John Ott occasionally appears as a witness. Most of the material relates to experiments on electric lighting. There are drawings of lamps, including vacuum experiments; drawings of devices for making and testing wire spiral filaments; notes on platinum and platinum-iridium wire; notes and drawings of generators; calculations of system costs, including comparisons to gas lighting costs; and drawings and calculations about meters, including some labeled \"Sprague\'s Exhibit Edison\'s Early Sketch No. [2-4] Jan. 12th 1886.\"" There are also drawings of the electric pen and the phonograph. The book contains 241 numbered pages followed by 30 unnumbered pages.\n\n
Following the last page of Notebook #9 is a set of images, from this notebook and from Notebook #192 (N-78-12-15.2), that constitute Doc. 1621 in The Papers of Thomas A. Edison, Vol. 4. The images appear in the following order: Notebook #9, pages 3-13; Notebook #192, pages 23-39."
- Identifier
- N009-N
- Has Format
- https://iiif.archive.org/iiif/taepnotebook-N009/manifest.json
- Is Part Of
- Notebook Series -- Menlo Park Notebooks
- Has Version
- Item Set N009-F
- Type
- Notebook
- Rights
- Courtesy of Thomas Edison National Historical Park.
- License
- CC0 1.0 Universal