Instruments

Reed pipe with resonator

Koenig, Rudolph, Parijs, 1850 - 1874

Rotating cubical mirror

Koenig, Rudolph, Parijs

Dilatometer

circa 1800

Small sextant

probably English, 1825 - 1850

Pyrometer, after Wedgwood

] J.W.Giltay [P.J. Kipp & Zn

Acc. for Ampere Demo 830

Paris E. Ducretet

Precision barometer

Amsterdam J.F. van Deene

Zuig- en perspomp

Amsterdam A. Watt

Fluorescent screen for X-rays

London Newton, 1896

Projection electroscope

Berlijn F. Ernecke, 1897

Colour-thermoscope, after Rebenstorff

After Rebenstorff, 1875 - 1899

Zamboni pile; 'perpetuum mobile'

Haarlem J.A. Schoonbeek, 1882 - 1898

Immersion battery

Parijs Ruhmkorff, pre 1877

Portable electric miner's lamp

Parijs Trouvé, 1885

Induction coil, after Ruhmkorff (for Tesla 0857)

Parijs E. Ducretet & L. Lejeune, 1897

Tesla apparatus

Parijs E. Ducretet & L. Lejeune, 1896

2 Tesla tubes for 857

Paris E. Ducretet et Lejeune

Box with coherer for 0861

Berlin F. Ernecke

Cupping glasses

Leiden Jan Paauw