Notebook #12 N-78-12-20.1 (1878-1879)
Item
- Title
- Notebook #12 N-78-12-20.1 (1878-1879)
- Description
-
This notebook covers the period December 1878-January 1879. Most of the entries are by Francis Upton. A few are by Charles Batchelor. All of the material relates to experiments on electric lighting. Included are notes and calculations on filament experiments; notes, drawings, and calculations on generators; and calculations on electric power distribution systems, with comparisons to gas lighting. On page 198 is a table on the cost of electric light, calculated for varying numbers of lamps per day, month, and year. The book contains 284 numbered pages.
Blank pages: 46-47, 260-261.
- Identifier
- N012-N
- Has Format
- https://iiif.archive.org/iiif/taepnotebook-N012/manifest.json
- Is Part Of
- Notebook Series -- Menlo Park Notebooks
- Has Version
- Item Set N012-F
- Type
- Notebook
- Rights
- Courtesy of Thomas Edison National Historical Park.