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Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
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Description
Butterfly specimen (Papilio oribazus
Beetle specimen (Chalcosoma atlas - Philippines) mounted on acid-free paper in a black wooden shadow box
Shadow box dimensions: 20 x 18 x 3
Butterfly specimen (Philaetria dido - verso - Peru) mounted on acid-free paper in a black wooden shadow box
Beetle specimens (Catoxantha fulminans ♂♀
Solar Radiometer keyring Butterfly specimen (Papilio oribazusInvented 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]
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