Instruments

Electro-magnetic motorElektromotor

Londen Watkins & Hill, 1843

Electro-magnetic motor, after Froment

Parijs Dumoulin-Froment, 1875

Foucault Pendulum

Haarlem W.M. Logeman

Grote inductieklos

Paris Ruhmkorff

Interruptor for induction coil 0683

Parijs Ruhmkorff, 1861

Induction coil, Ruhmkorff type

French manufacture, pre 1882

Induction coil No. 773, after Rhumkorff

Berlijn Siemens & Halske, 1865

Electro-medical induction coil

Parijs Ruhmkorff, 1855

Direct current dynamo, after Wilde

Haarlem F.W. Funckler, 1867 - 1875

Device for induction of eddy currents

Parijs Ruhmkorff, circa 1875

Hygrometer: Daniell's

London J. Newman

Tellurium

London George Adams

Saturnium

London George Adams

Planetarium

London George Adams

Lunarium

London George Adams

Jovarium

London George Adams

Warren de la Rue's foto's van de maan

London Smith Beck & Beck

Aardglobe

London George and Dudley Adams

Hemelglobe

London George and Dudley Adams

Terrestrial globe, + Horizontal ring & stand

Amsterdam Gerhard &Leonhard Valk

Air-gun

Amsterdam T. Peres, 1775 - 1799

Two organ pipes with manometric flame

Koenig, Rudolph, Parijs, 1850 - 1874

Organ pipe with three manometric capsules

Koenig, Rudolph, Parijs, 1850 - 1874

Organ pipe with one central capsule 'MI3'

Koenig, Rudolph, Parijs, 1850 - 1874

Organ pipe with one central capsule 'SOL3'

Koenig, Rudolph, Parijs, 1850 - 1874

Organ pipe, with glass window

Koenig, Rudolph, Parijs, 1850 - 1874

Aneroid barometer after Vidie

Haarlem F.W. Funckler

45' liquid Prisms on stand

Paris J. Duboscq