Leopoldo Nobili 2026-10-31
View more
Figure 1.
Portrait of Leopoldo Nobili
. Historical portrait, with source provenance from the Smithsonian scientific-identity collection; public-domain reproduction hosted by Wikimedia Commons. Source.
A physicist associated with the astatic galvanometer.
Read the full article
Nobili's astatic galvanometer 2026-10-31
View more
The historical Leopoldo Nobili instrument combines a many-turn coil with an astatic needle pair. In a common geometry one needle responds strongly to the coil while its oppositely magnetized companion reduces the terrestrial restoring torque.[ref]
Read the full article