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