Note 91 — Chapter XI · Epoch of Young and Fresnel.
Reading edition
See MM. Arago and Biot’s Memoirs, Mém. Inst. for 1811; the whole volume for 1812 is a Memoir of M. Biot’s (published 1814); also Mém. Inst. for 1817; M. Biot’s Mem. read in 1818, published in 1819 and for 1818.