At the Royal British School Rooms, Harp Alley, Farringdon Street, on Tuesday, 27th of Dec. 1831 at seven o'clock, a scientific lecture on the natural history of animals : ... on Thursday, 29th of Dec. 1831, at seven o'clock, a lecture on astronomy ... / will be delivered by by Mr. Henry Althans.

Licence: Public Domain Mark

Credit: At the Royal British School Rooms, Harp Alley, Farringdon Street, on Tuesday, 27th of Dec. 1831 at seven o'clock, a scientific lecture on the natural history of animals : ... on Thursday, 29th of Dec. 1831, at seven o'clock, a lecture on astronomy ... / will be delivered by by Mr. Henry Althans. Source: Wellcome Collection.