1: Two keys to the "Physic room 2: Pulley block (teaching model) 3: Balance (hanging on pulley model) 4: Elliptical compass 5: Heat shield for measuring radiant heat 6: Musschenbroek's pyrometer (thermal expansion meter) 7: Model of a pyrometer (thermal expansion meter) 8: Pneumatic lighter (Tachypyrion) 9: "Schröder's glass horizon" (spirit level) 10: Standard meter 11: Bar compass with two bars for different radii 12: Papinian pot (steam pressure measurement) 13: Column barometer and column thermometer 14: Column thermometer after Micheli du Crest 15: Column barometer 16: Column thermometer after Micheli du Crest 17: Temperature comparison table 18: Column thermometer 19: Column thermometer with hygrometer 20: Differential thermometer according to Leslie 21: Air wheel 22: Proportion compass 23: Two Magdeburg hemispheres 24: Two adhesion plates 25: Two hydrometers in box 26: Comparison table for hydrometer grades Beaumé and Bellani 27: Conundrum cup 28: Device for demonstrating the hydrostatic paradox 29: Woltmann wing 30: Measuring chain