DESAGULIERS, John Theophilus & Nicholas GAUGER. Fires Improved: being a new method of building chimneys ... written in French ... made English and improved, by J. T. Desaguliers, London: J. Senex and E. Curll, 1715, 8°, FIRST EDITION, 9 engraved plates, contemporary blind-stamped calf, spine gilt (joints cracked, head and foot of spine rubbed). Provenance: Rolle (armorial bookplate on front pastedown); and 4 other works by John Innes, John Rowning, Robert Simpson and Thomas Sydenham. (5)