Nicolàs de Hilster

The Russian diplomatic representatives in London and the acquisition process of navigational instruments for Russian navigators at the beginning of the 19th century, by Feliks Gornischeff, Research Fellow, Estonian Maritime […]

An early modern portable clock with Islamic calendar, by Artemis Yagou, Research Associate, Deutsches Museum, Munich My research interest in the various forms and manifestations of luxury in early modern

Eliminating errors, automating observation: The Photographic Zenith Tube of the Neuchâtel Observatory in Switzerland, by Julien Gressot In the mid-twentieth century, the Neuchâtel Observatory decided to modify its time determination

In Celsius’ footsteps, by Ian Hembrow Retracing the route of the 1736-37 Arctic Circle expedition to establish the shape of the Earth A daily blog by SIS member and travel

Measuring a potato planet, by Ian Hembrow Research grant recipient Ian Hembrow reports on a fascinating study trip to learn about 18th century surveying methods from SIS’s Nicolàs de Hilster.

A Measurement of the Weight of the World: Then and Now, by Carolyn Kennett, FRAS How did we weigh the Earth (and why did this go beyond simple curiosity)? This