English
Demonstration apparatus
Pasteboard Models for explaining the Ring Systems in uniaxial and biaxial Crystals, after Fresnel
Weinhold’s apparatus with base for Foucault’s experiment
Lever apparatus with pulley
Franklin's Bell (Electric chime)
Carré Electrostatic machine
Apparatus for drilling tiles
Specific charge of electron apparatus
Electric machine after Wimshurst
Spark coil
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