Note 379 — BOOK I[361]
Alexander Teixeira de Mattos translation
Étienne Gaspard Robertson (1762-1837), a professor of physics who perfected or improved the Archimedean mirror, the magic-lantern, and the parachute.—T.
Alexander Teixeira de Mattos translation
Étienne Gaspard Robertson (1762-1837), a professor of physics who perfected or improved the Archimedean mirror, the magic-lantern, and the parachute.—T.