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founded by Corey Tutt
and how to plan your next observing session
where colours magically separate from one another on a filter paper disk
An altitude slow motion adjustment with a sliding rod helps you fine tune the telescope’s pointing position and follow targets as they appear to drift across the night sky
Galileo Thermometer - 28cm Product Type_Society & Culture Books founded by Corey TuttThe Galileo Thermometer is an elegant temperature reading device that every science geek needs. It is a sealed glass cylinder that contains clear liquid and glass bulbs that are all different density. As the temperature changes, the balls rise and fall, giving you a temperature reading. The temperature gauge is read from the engraved metal discs that hang off each bulb if a bulb is floating in the middle, that is the current temperature, or if some
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