Pneumatic pump Precision scales Receivers Receiving telegraph station and key Morse type Ring and sphere for cubic expansion Roberval balance Screw Small electric fly Stereoscope

Thermometer to measure heat radiation Thooted wheel interrupter Thooted wheel siren Tourmaline Tuning fork on resonance-box U-shaped tube for liquids of different gravity Voltaic pile Watt's governor Water hammer Working section of a single-cylinder thermo-motor in wood