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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
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Description
Beetle specimens (Catoxantha fulminans ♂♀
This is a 2nd edition print of an original watercolor painting -- any imperfections
Tanzania) mounted in a double-glass black wooden standing vitrine
Butterfly specimen (Philaetria dido - verso - Peru) mounted on acid-free paper in a black wooden shadow box
Solar Radiometer keyring Beetle specimens (Catoxantha fulminans ♂♀Invented in 1873 by chemist & experimenter Sir William Crookes, the solar radiometer was the first way in which man could demonstrate light as an energy source. The radiometer consists of an airtight glass bulb, containing a partial vacuum. Inside are a set of metal vanes which are mounted on a spindle. When exposed to sunlight, artificial light, or infrared radiation, the vanes turn with no apparent motive power, the dark sides retreating from the
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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