Instruments

60' prism pair on stand

Paris Duboscq, 1850 - 1874

Spectroscope, after Crookes

London Spencer Browning & Co, 1869

Spectroscope: Direct reading

Paris J.G. Hofmann

Spectroscope: direct vision

Parijs J.G. Hofmann, 1969

Spectrometer

Göttingen M. Meyerstein, pre 1864

Graphic telescope

Amsterdam G. Epkens & Co, 1850 - 1874

Acc. for telescope 400

Amsterdam G. Epkens & Co, 1850 - 1874

Gratings and Wedges: eleven items in case

Froment, Paris / Duboscq, Paris, 1864 - 1874

Models of wave fronts of light in birefringent crystals

Parijs J.G. Hofmann, circa 1850 - 1874

Simple glass press for polarisation

Parijs J. Duboscq, circa 1865

Polarisatietoestel, naar Nörrenberg

Haarlem W.M. Logeman, 1846

Fosforescope, after Becquerel

Parijs J. Duboscq, 1867

Polariscope

Berlin R. Fuess

Saccharimeter, (+pamphlet, 16pg.)

Bern Hermann & Pfister, 1868

Spare mirror for refractometer 429

Parijs J. Duboscq, 1869

Lantern Slides

A Hamburg Krüss

Magnesium lamp

Berlin O. Ney

Magnesium lamp

Berlin O. Ney

Horizontal object projector + discs

Parijs J. Duboscq, 1875

Two bar magnets in mahogany box

London Possibly George Adams

Horseshoe magnet

1775 - 1799

magneet

Haarlem W.M. Logeman

Grote hoefijzermagneet

F.W. Funckler Haarlem

Grote hoefijzermagneet

Gebr. van Wetteren

Horseshoe magnet No 3059

Haarlem Gebr. van Wetteren, 1875 - 1899

Box for Magnet 448

1875 - 1899

Horseshoe magnet No 3055

Haarlem Gebr. van Wetteren, 1875 - 1899

Horseshoe magnets; two present; /2.= No 3009

Haarlem Gebr. van Wetteren (2), 1875 - 1899

Horseshoe magnet

1875 - 1899

Horseshoe magnet No 3053

Haarlem Gebr. van Wetteren, 1875 - 1899

Horseshoe magnet No 3052

Haarlem Gebr. van Wetteren, 1875 - 1899

Horseshoe magnet No 3054

Haarlem Gebr. van Wetteren, 1875 - 1899

Horseshoe magnets 1. No 3005 2. No 3003

Haarlem Gebr. van Wetteren, 1875 - 1899

Horseshoe magnet

1875 - 1899

Box for 6 magnets

1875 - 1899

Bar magnet and horseshoe magnets in case (15+13+6+1 +14keep)

Haarlem A.o. Gebr. van Wetteren, 1875 - 1899

Oak box, baize-lined

1875 - 1899

Magnetic Compass for travelling in mahogany box

English manufacture, 1825 - 1849

Magnetic compass

London P. & J. Dollond, 1775 - 1799