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Kikkerland Solar Radiometer – Measures Radiant Flux of Electromagnetic Radiation
Solar radiometer by Kikkerland - measures radiant flux of electromagnetic radiation.Crookes radiometer - a curiously retro scientific instrument for measuring light a sealed glass case with 4 vanes that magically spin when a light source is present.Kit out your office in Dumbledore or steampunk style hand blown glass replica scientific instrument.
Large 44cm Tall Free Standing Galileo Thermometer in Gift Packaging
The globe that hangs lowest in the top group of globes with be showing the exact temperatureThis galileo works on the principle that the density of a liquid changes as temperatures change, the liquid in the bubbles is multi coloured - the ten tags are a brass colourThere are 10 baubles in the Galileo, the thermometer stands 44cm tall