Franklin, B.
Observations on the causes and cure of smoky chimneys. Ina letter to Dr. Ingen-Housz, Phila. pr. Lond., repr. 1787-
No. 1 in ##K.22.12
Same. (In Am. phil. soc. Trans. v. 2, 1786.)
Same: Lond., 1787.
#*E.145.2.2
K.13.2 -No. 2 in 22,12