Leipzig, Im Industrie-Comptoir, 1825. 8vo. In the original printed wrappers. A few marks to wrappers and internally with light occassional brownspotting. A good copy. (6), 58, (16) pp
First appearance of Gustav Fechners' (written under the pseudonym of ""Dr. Mises) humorous work on the anatomy of angels. Gustav Theodor Fechner was a German philosopher, physicist, and psychologist who is best known for his work in psychophysics, particularly his theory known as ""Fechner's Law."" Fechner's Law is a principle that describes the relationship between the physical intensity of a stimulus and the psychological perception of that stimulus.