OPTICS

Voltaic arc Lilliput arc lamp with a clockworth adjustment Concave and convex mirror Two square prisms in a wood frame Wheatstone photometer Stereoscope with stereoscopic photographs Fuess spectrometer Light bringer Solar microscope Compound microscope Keplerian telescope Small five-section terrestrial telescope Brass telescope with base holder Binocular with terrestrial oculars

Newton disk Apparatus for the recomposition of light by means ofseven small mirrors Compound prism for the demonstration of achromatism Newton rings apparatus Two spectroscopes based on the Lummer-Gehrcke’s plate Staircase diffraction grating Diffraction apparatus Fittings for the diffraction apparatus Birefringent prism Tourmalin tweezers Solar polariscope Biot apparatus for the study of polarization Radiometer Evacuable radiometer Melloni apparatus Fittings for the Melloni apparatus