Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Licht, Waerme, Strahlen / Magnetismus, Elektrizitaet, Induktion / Daemonen und Geister

Thermometer
Johann Georg Repsold, Hamburg, around 1826

This instrument determines temperature by measuring the expansion of mercury. The first thermometers were constructed in the seventeenth century, but scales are not standardized until the eighteenth century. In the nineteenth century their production is still a technical art.

[ Sitemap ] [ info ] This website was created with Virtual Spaces.