This notebook covers the period September 1892-March 1893. There is also one entry near the end of the book dated March 1892 [1893?]. The book was used by Joseph W. Harris primarily for notes regarding the electrolytic separation of iron ore and the bricking of ore concentrate. Also included are notes relating to routine chemical analyses, including assays of the stearic acid used in phonograph cylinders. The front cover is labeled "Experimental Notes & etc. J.W.H." The book contains 191 numbered pages and has been used in both directions.
Only the ore separation and bricking material has been selected.
The notebook pages appear in the following order: 26-59, 66-73, 102-109, 167-126.
[NB119026], Technical Note, Joseph W Harris, November 22nd, 1892 1892-11-22
[NB119027], Technical Note, Joseph W Harris, November 29th, 1892 1892-11-29
[NB119033], Technical Note, Joseph W Harris, December 8th, 1892 1892-12-08
[NB119047], Technical Note, Joseph W Harris, January 3rd, 1893 1893-01-03
[NB119058], Technical Note, Joseph W Harris, January 11th, 1893 1893-01-11
[NB119071], Technical Note, Joseph W Harris, February 8th, 1893 1893-02-08
[NB119167] Technical Note, March 1893 1893-03-00