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Large capacity tempered glass cylinder
1 degree gradations from -10 to +50 C
with the (glowing) colourful discs and suspensions provided
demonstrate greenhouse effects
with a range of -40 to 200 degrees C (switchable to F)
Night Sky Projection Kit Garden Measurement Large capacity tempered glass cylinderA wonder ful gift for yourself or anyone else who appreciates science or beauty because this is both. A battery powered lamp (AA batteries required) sits on a platform around which you assemble maps of northern or southern hemispheres. The light then projects stars and constellations onto walls and ceilings. Star charts and instructions included. The effect is awesome, like being outdoors on a clear starry night but without the discomfort. A popular
