Letter from E.W. Bayley, London Institution, to the [Marquis of Northampton] President of the Royal Society and to the Council Requesting a loan of a specimen of meteoric iron from Buenos Ayres [Aires] for exhibit in two lectures at the London Institution on igneous meteors and meteorites. Bayley forwards a prospectus for the lectures. [Enclosures not present.] [Request granted by Council on 25 November 1841.] 25 November 1841