Letter from Georg Adolph Erman, Berlin to Edward Sabine Dr Lowe would like an introduction to Sabine, Erman praises Lowe. Erman asks Sabine if he has seen a paper on their observations in the pacific and Atlantic, and ‘a method of ascertaining the level strata’ ‘of the atmosphere’. Erman refers to Mr [Lambert Adolphe Jacques] Quetelet’s work. 20 March 1854