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1 Voleanic glass, feldspar in a more or less pure state, our Obsidian, is probably meant; a word derived from the old reading, Obaidius, corrected by Sillig to Obsius.
2 He is speaking of the stone, not the glass that resembled it.
3 A thing very difficult to be done, as Beckmann observes, by reason of its brittleness.
4 The present Portugal.
5 "Blood-red" glass.
6 See B. xxxvii. cc. 7, 8, 11. This glass was probably of an opal colour, like porcelain.
7 This passage is commented upon by Beckmann, Vol. II. p. 75, in connexion with a similar passage in Isidorus, Orig., which is probably corrupt.
8 See B. xxxvii. c. 10. He was not aware, apparently, that in such case they act as convex burning-glasses, and that ice even may be similarly employed.
9 This is, probably, the meaning of "in guttas;" a new reading, which is only found in the Bamberg MS.
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- Lewis & Short, Nectanăbis
- Lewis & Short, Phĭlădelphus
- Lewis & Short, ăbăcŭlus
- Lewis & Short, ex-cīdo