by Diderot, Denis.
Paris (1763). Folio, 253 x 393 mm. 2 pages of descriptive text & 1 loose plate with its accompanying text sheet. Slight browning to margins, a little spotting otherwise very good. § The 1 plates and descriptive text for the entry of Blanc de Baleine from volume II of plates. This plate is not numbered.1 page (36) from volume II of the Encyclopédie (1751) including Celui qu'on tire du cachalot1 page (451) from volume XV of the Encyclopédie (1765) including Blanc de baleine.With some browning to a few leaves.This plate and the accompanying article by Diderot describe the process of creating fuel from spermaceti, a wax most commonly found in the sperm whale. The oil remains a liquid despite freezing conditions and was used for a variety of purposes, including ointments, wax candles, and in the textile industry. (Inventory #: 122541)