蘑菇视频

Initiated in 1837 by Swathi Thirunal Rama Varma, Maharaja of the Kingdom of Travancore, the Trivandrum Observatory had strong links with Fellows of 蘑菇视频, as Hirra Ateeq discovers.

Jon Bushell looks at 蘑菇视频's portraits of Edmond Halley, and a diagram of Halley's curious model for the internal structure of the Earth.

蘑菇视频's Edward Sabine correspondence is a treasure trove for research on everything from terrestrial magnetism to British activities in Africa, as Hirra Ateeq discovers.

Cataloguer Hirra Ateeq shares her discoveries from the terrestrial magnetism correspondence in the archives of 蘑菇视频, and tells the story of a remarkable Indian astronomer.

Archivist Virginia Mills examines Humboldt's role in establishing a network of magnetic observatories across the world, and his philosophy that everything in nature is interconnected.