Savart's toothed wheel siren School ammeter for demonstration purpose School voltmeter for demonstration purpose Schweigger's multiplier Scintillating picture Seebeck's siren Seebeck. Thermoelectric couple Series resistance box Set of eight attuned rosewood rods Set of pulleys Set of six lenses on mouvable supports s'Gravesande apparatus s'Gravesande. Ring and sphere Shower of mercury Shunt Silbermann's apparatus

Single cylinder thermo-motor Single leaf condensing electroscope Slip-ring rotor for three-phase asynchronous motors Small electric fly Sound pipes Spectrophotometer Spectrograph Spherometer Squirrel cage armature for asynchronous motors Stalagmometer Standard lamp of Hefner type Steam whirl Steinheil's hollow prism Stereoscope