SP Bel-Art H-B DURAC Galileo Glass Temperature Display, 11-Inch Clear Tube with 5 Floating Spheres, Accurate Indoor Scientific Thermometer for Physics Décor

SP Bel-Art’s galileo thermometer is a sealed analog glass column that uses the classical Galileo density principle: as liquid warms its density drops and glass spheres of fixed density rise or fall. The column carries five spheres with metal tags; the lowest sphere in the top group is the reading. Range is 64–80 °F in 4 °F increments with ±2 °F accuracy, making it suitable as an indoor galileo thermometer for offices, classrooms, studios, and reception areas where a readable visual cue is preferred over a digital screen. Unlike electronic desk instruments, our decorative thermometer is hermetically sealed and passive; no batteries, firmware, cloud, or network, so thermal change maps directly to motion visible through the glass. That physics-visible motion also makes the instrument physics decor and a conversation piece signaling science literacy in a space. ISO 9001 manufacture supports repeatable quality in glass, density calibration, and assembly. For desks, counters, and teaching spaces that value quiet, aesthetic evidence of temperature without electronics, the instrument delivers ambient indication plus kinetic scientific presence in one object.

• PHYSICS-BASED INDICATION: SP’s Galileo thermometer with 5 colored spheres sealed in clear glass; spheres rise and fall as density shifts with temperature according to Galilei’s principle; gives passive, visual readout without electronics.
• DISCRETE TEMP POINTS: SP Bel-Art’s galileo thermometer glass is 64-80 °F range in 4 °F increments with ±2 °F accuracy; lowest sphere in the upper cluster is the active index. Delivers fixed, step-based thermal points instead of guesswork.
• SEALED/MAINT-FREE GLASS: Fully sealed glass thermometer cylinder with inert fill; no batteries, chips, drivers or networks; density physics drives the read; enables silent, drift-free lifetime indication which reduces failure modes.
• DECOR + FUNCTION: SP Bel-Art’s Decorative thermometer doubles as kinetic physics decor; rising and sinking spheres display thermodynamic behavior in real time; merges science and aesthetics which elevates desks, labs and gift scenarios.
• QUALITY & STABILITY: ISO 9001 build; adult indoor display; hand-wash preserves clarity; stable on shelves and desks; gives a reliable galileo thermometer indoor option with credible construction which supports consistent daily use.