Jacob Hermann (mathematician)

Naturwissenschaften und Arzneikunde, vol. 3, pages 72–83. ^ The French mathematician Poisson mentions Bohnenberger's machine as early as 1813: Simeon-Denis

(transl. Helen Hewitt), C.F. Peters  Kellner, H.A. (1978), “Was Bach a mathematician?”, English Harpsichord Magazine 2: 32–36, オリジナルの2010-12-26時点におけるアーカイブ。