The tungsten is stated to be abundant in the mine; it is the ferruginous species, known to mineralogists by the name of wolfram.
We cannot yet say whether the tellurium is abundant, having obtained it from only two pieces; from these we extracted also tungsten, so that it may possibly constitute a new mineral species. Further particulars will be given in our next Number.
22. Mr. Sheldon's Application of Chesnut Wood to the Arts of Tanning and Dying.
REMARKS.
A considerable time since, we were confidentially made acquainted with the discovery detailed in the following letter. We have repeated the most important of Mr. Sheldon's experiments, both in relation to tanning and dying, and are well satisfied that the discoverer has not overrated, or erroneously estimated, the value of his own results. We are persuaded that the highly useful arts alluded to, will derive important aid from the use of a material so abundant and cheap as chesnut wood.
To Professor Silliman.
Springfield, Mass. Feb. 27, 1819.
Dear Sir,
I send you a more particular account of the newly discovered properties of the chesnut.