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/en/working-group-physics/histolab/thematical-subsections/astronomy/sextant
Sextant Listen The sextant was and still is a navigational instrument. It evolved from the ancient octant (eigth part of the circumference of a circle) and is used to measure the angular difference be
/en/working-group-physics/histolab/thematical-subsections/electricity/double-electrophorus-on-the-model-of-lichtenberg
Lichtenberg's Double Electrophorus Listen The Double Electrophorus is a further development from the Electrophorus , capable to produce and provide both electrostatical charges by means of electrostat
/en/working-group-physics/histolab/thematical-subsections/electricity/tangent-galvanometer
Tangent Galvanometer Listen A galvanometer measures an electrical current by means of the electromagnetical properties of an induction coil and the Lorentz force. The instrument contains various coils
/en/working-group-physics/histolab/thematical-subsections/electricity/voltaic-pile
Voltaic Pile Listen The Voltaic Pile consists of copper and zinc plates, between which a piece of paper or cloth is placed, which has been soaked with salt water. Volta expected the electrical current
/en/working-group-physics/histolab/thematical-subsections/electricity/electrical-experiments-for-entertainment-purposes
Electrical Experiments for Entertainment Purposes Listen These exhibits are experimental setups made for entertainment's sake. They could be found in the parlours of educated families throughout the 1
/en/working-group-physics/histolab/thematical-subsections/electricity/coulombs-torsion-balance
Coulomb's Torsion Balance Listen Coulomb's Torsion Balance is a setup based on two glass cylinders, one of 65cm length with a torsion micrometer (fig.2, right) is placed on a glass plate that rests on
/en/working-group-physics/histolab/thematical-subsections/particle-physics-and-radioactivity/geiger-mueller-counter-tube
Geiger Müller counter tube Listen The Geiger Müller counter tube is one of the earliest measurement devices for the field of radioactivity. Walter Müller developed it under the auspices of his thesis
/en/working-group-physics/histolab/thematical-subsections/hydrostatics/litrameter
Litrameter Listen Robert Hare was a lecturer in chemistry at Pennsylvania University. His litrameter was represented in science periodicals of both the old and new world. By his own account he used st
/en/working-group-physics/histolab/thematical-subsections/optics/camera-obscura
Camera Obscura Listen A Camera Obscura is an darkened room or volume into which light can shine through a pin hole, sometimes a pin hole combined with a lens. On the wall opposite to the entrance hole
/en/working-group-physics/histolab/thematical-subsections/optics/camera-lucida
Camera Lucida Listen The Camera Lucida, sometimes known as Wollaston prism, consists of an upright brass column, to which a prism holder is mounted. By looking through the prism you can see a sheet of