Note 86 — DEVELOPMENT OF GRAVITY PENDULUMS IN THE 19th CENTURY
Reading edition
M. Haid, “Neues Pendelstativ,” Zeitschrift für Instrumentenkunde (July 1896), vol. 16, p. 193.
Reading edition
M. Haid, “Neues Pendelstativ,” Zeitschrift für Instrumentenkunde (July 1896), vol. 16, p. 193.