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Slip clutches and geared slow motion controls in both axes help you move the telescope smoothly and zero in your target
Built with durability and ease of use in mind
innovation & travel
colour photos and other useful aids
Experience the wonders of nature in your own home with the Discovery Zone Magic Garden
Galileo Thermometer - 28cm Product Type_Society & Culture Books Slip clutches and geared slowThe 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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