[N322AAE], Technical Note, John F Ott, Thomas Alva Edison, August 14th, 1886

https://edisondigital.rutgers.edu/document/N322AAE

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Title

[N322AAE], Technical Note, John F Ott, Thomas Alva Edison, August 14th, 1886

Editor's Notes

notes on 175 folllowed by "Put two regular carbons in platina clamps; then soaked or dipped in coal tar several times, drying slightly after each dip-- Then gave them to Joe to seal in also another carbon in platina clamps dipped several times in liquorice water-- gave to Joe I propose to slowly heat lamp from low heat on drier to about 600 fahr put on pump & bring up slowly so as to carbonize-- The O of the Liquorice will probably oxidize the whole of the carbon if not sufficiently carbonized on drier-- but the [Tri?] will carbonize in vacuum ok I think" followed by 176-185 undated next date is 185 9/16/86

Mentioned

Date

1886-08-14

Folder/Volume ID

N322-F

Microfilm ID

43:480

Document ID

N322AAE

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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