An account of a very extraordinary effect of lightning on a bullock : at Swanborow, in the parish of Iford near Lewes, in the county of Sussex / in sundry letters from Mr. James Lambert ... and one from William Green ... to William Henly. Read at the Royal Society, May 1, 1776.
- James Lambert
- Date:
- 1776
Licence: Public Domain Mark
Credit: An account of a very extraordinary effect of lightning on a bullock : at Swanborow, in the parish of Iford near Lewes, in the county of Sussex / in sundry letters from Mr. James Lambert ... and one from William Green ... to William Henly. Read at the Royal Society, May 1, 1776. Source: Wellcome Collection.
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![r 3* ] true account, of the concluding power, of the dif¬ ferent kinds of metal. Having lately been prefented, in the mod polite manner, by the celebrated Dr. lew¬ is, f. r.s. &c. with fix fpecimens of his pla¬ tinum in as many different (fates: I feleded the largefl: grains, from one of the parcels which Dr. lewis informed me had been repeatedly ex- pofed to long-continued vehement fires; the moil intenfe which he had been able to excite, or any veffels he could procure would fupport: and after a few fmall globules (confifting doubtlefs in great part of heterogeneous metal) had melted out, repetitions of the operation produced no further change* It was afterward boiled fucceffively in ©il of vitriol, aqua-fortis, and fpirit of fait, in order to its further purification; and which in¬ deed reduced it to a ftate the mod pure of any that excellent chemift Jhad been able to produce. Having ruled a line with a blunt-ended wire, over the fur- face of a plate of white wax ; E XPERIMENT VII. I prefied in the grains of platina lightly, and in eonta£t with each other; fo as to form a regular line, half an inch long. -At each end of the line of platina, and in contact with it, I placed a thick wire, with its ends nicely rounded off, and made perfectly fmooth. I covered the platina with a piece of thick plate-glafs; and then diicharged through it, three jars containing fixteen fquare feet of coated furface: when 1 obtained many beautiful fpherules of thz platina. Several of them ftuck to the wax, and glafs; and others imperfedily formedupon the edges, See, of the grains: which proved](https://iiif.wellcomecollection.org/image/b30791005_0050.jp2/full/800%2C/0/default.jpg)
