Familiar lessons on mineralogy and geology ... To which is added a practical description of the use of the lapidary's apparatus. Explaining the methods of slitting and polishing pebbles / [John Mawe].

  • Mawe, John, 1764-1829.
Date:
1826
Catalogue details

Licence: Public Domain Mark

Credit: Familiar lessons on mineralogy and geology ... To which is added a practical description of the use of the lapidary's apparatus. Explaining the methods of slitting and polishing pebbles / [John Mawe]. Source: Wellcome Collection.

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    description OF THE LAPIDARY’S APPARATUS, iND INSTRUCTIONS FOR USING IT. THE ag reeable amusement of collecting prettily marked pebbles, agates, &c. lias of late become so general, that almost every one who visits the sea-coast, lias been em- ployed in searching for these interesting productions, and forming collections of their beautiful varieties: but great disappointment has frequently laken place, owing to the Collector’s not having the means of cutting and polish ing them. To obviate which, a Portable Mill* has been contrived, to render the operation as easy as possible, and to afford both instructive and agreeable employment. This compact Lapidary’s Mill is contained in a small mahogany box, and may be placed on a parlour table, and worked without any inconvenience. The method of using it is explained as follows: viz. In order to proceed * The Lapidaries technically call the various circular imple- ments, Mills:—Thus the lead-mill> the polishing-mill, the slitting'- mill, &c.