/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/electrophorus
Electrophorus Listen The Electrophorus is an electrostatic generator, developed by Wilcke around 1761 and popularised by Volta towards the end of the 18 th century. The electrophorus consists of a res
/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/hydrostatics/sikess-hydrometer
Sikes's Hydrometer Listen The hydrometer is a measurement device to determine the mass density of liquids. It was developed in the early 19th century and put to use by the British Customs Services to
/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/particle-physics-and-radioactivity/millikans-apparatus-for-the-determination-of-the-elementary-charge
Millikan's apparatus for the determination of the elementary charge Listen From 1909 until 1911 Robert A. Millikan together with his assistant Harvey Fletcher conducted experiments to determine the el
/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/electricity/henleys-quadrant-electrometer
Henley's Quadrant Electrometer Listen Henley's variation of a quadrant electrometer consists of an upright column with a brass stand. Attached to the column is a wire with an elder pith ball. If the i
/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