(Q1750)
Statements
The Great Duke has a Loadstone of three Tenths of a Grain [...], It was set by Quare the famous Watchmaker of London, and sent by him to his Royal Highness in the Year 1703. The Stone, as I was told by Signor Beneditto Bresciani, the Great Duke's Library Keeper, is perforated, and has an Iron Wire paffing thro' it, which augments its Attraction. (English)
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