Note 484 — Chapter XII · GUNPOWDER
Reading edition
See Wheatstone’s own account of his instrument in the Comptes Rendus de l’Acad. des Sciences, 1845, tom. xx. pp. 1554-61.
Reading edition
See Wheatstone’s own account of his instrument in the Comptes Rendus de l’Acad. des Sciences, 1845, tom. xx. pp. 1554-61.