Note 22 — Chapter IV · SCIENTIFIC RESEARCHES: SECOND PERIOD.

This ring Faraday is represented as holding in his hand in the beautiful marble statue by Foley which stands in the Entrance Hall of the Royal Institution. The ring itself is still preserved at the Royal Institution amongst the Faraday relics. The accompanying cut (Fig. 4) is facsimiled from Faraday’s own sketch in his laboratory note-book.