[N328AAA], Technical Note, Thomas Alva Edison, October 8th, 1886
https://edisondigital.rutgers.edu/document/N328AAA
PDF: Archive.org
CSV: Metadata
Metadata
- Title
- [N328AAA], Technical Note, Thomas Alva Edison, October 8th, 1886
- Editor's Notes
- "Boil 15 carbons in strong KO Solution for one day then boil in large quantity H2O for 4 hours then change water again and boil 4 hours then take out & put in heater, dry and put in order No 20 & boil for 3 days-- Then Carbonize do the same with the HChl acid carbons now soaking-- Wash 3 lamps in Chloride Barium Sol weak to precip the SO4 from clamps-- work & set up for life-- Immerse carbon & clamp in gasolene & use another wire to form an arc on clamp so as to decompose CuSO4 & also the oxide-- think it will remain bright afterwards Use precipitated Magnesia & alumina-- precipitate from very dilute solutions so as to get them exceedingly finely divided-- Mix the dried precipates with 1st Sugar Solution, Licorice, Gum Arabic, tar, Molasses, Honey gum Tragacanth, press through mould into filiments. Try Lime mixed with the above also ([slaked?] Lime) Put piece asphalt in side cup with U tube, get vac cut it off from Lamp get vac then heat Asphalt, & let gas in-- Prepare N heat salt of Ammonia Nitrite Also intimate mixture of Chl Amon & Bichrom K this gives on heating H2O & pure N-- put in cup on U tube. If a formate be treated with conc SO4 pure CO given off-- Ferrocy K heated with 1/2 oz heated with 4 or 5 oz SO4 pure gas-- care must be taken as at certain point gas comes off almost explosively--
- Author
- Edison, Thomas Alva
- Date
- 1886-10-08
- Type
- Technical Note
- Subject
- Incandescent lamp
- Folder ID
- N328-F
- Microfilm ID
- 43:859
- Document ID
- N328AAA
- 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 43
- Item sets
- [N328-F] N-86-10-08 (1886)