8vo. [7], x-xix, [1], 468pp. With a half-title, an engraved folding plate, numerous engraved illustrations in the text, and a terminal 32pp publisher's advertisement catalogue. Original publisher's blind-stamped red cloth, lettered in gilt. Rubbed, spine sunned. Later bookplate of John Waern Hill to FEP, contemporary inked ownership inscription to head of title-page, very occasional light spotting.

The first edition of a significant collection of lectures on the properties and applications of temperature, particularly in regard to the locomotive capabilities of heat, delivered before the Royal Institution by physicist John Tyndall (1820-1893), whose research into radiant heat and its relation to gases and vapours earned him the Rutherford medal in 1869.