/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/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/optics/newtonian-prisms
Newtonian Prisms Listen In 1672, Isaac Newton published an article on the composition of the sun's light. He put forward the opinion, that the spectral colours were inherent properties of the white li
/en/working-group-physics/histolab/thematical-subsections/electricity/leyden-jars
Leyden Jars Listen A newly developed instrument shocked (most literally) scientists researching electricity in 1745: the Leyden Jar or Amplifiying Jar. The Prelate Ewald Jürgen von Kleist and the Leyd
/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/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/optics/reading-stone
Reading Stone Listen A Reading Stone is a thick plano-convex lens and can be considered to be the prototype of modern magnifying glasses. It was and still is put to use to magnify minute writings. fur
/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/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