[D8930AAB], Letter from Samuel Insull to West Orange Laboratory, January 15th, 1889
https://edisondigital.rutgers.edu/document/D8930AAB
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- Title
- [D8930AAB], Letter from Samuel Insull to West Orange Laboratory, January 15th, 1889
- Editor's Notes
- Further referring to your favors of the 9th, 10., and 1th. Inst., we find that the #420 compound would be very much better if it were less inflammable, and that the melting point should be considerably higher. These same remarks apply equally in the case of #434B, and this also has the same disadvantage of not being sufficiently liquid. Otherwise it appears to be just as good as the first above referred to compound. With relation to Compound #439, the melting point is higher than that of the other two, and it becomes liquid and works very well indeed, but it is too inflammable. #440 is entirely useless, being altogether too soft. We are compelled to pout a braid of white cotton outside of this compound, and if the melting point below it soaks right through the cotton disfiguring it it and rendering the wire useless.
- Author
- Insull, Samuel
- Recipient
- West Orange Laboratory
- Date
- 1889-01-15
- Type
- Letter
- Subject
- Cables, feeders, and other exterior elements
- Chemicals, chemical products, and chemical processes
- Folder ID
- D8930-F
- Microfilm ID
- 125:992
- Document ID
- D8930AAB
- Publisher
- Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
- License
- CC0 1.0 Universal
- Has Version
- Archive.org Viewer, Microfilm Series Reel 125