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Glass Radiometer with Base

Glass Crooke Radiometer Transparent Spherical Glass Radiometer with Base Compact Vacuum Chamber Thermal Vane for Kids, Physics Enthusiasts

$26.49 Free shipping · tax calculated at checkout

Arrives in 11–21 days · free shipping, tracked

Total $26.49 · free shipping · sales tax calculated at checkout

In stock · leaves our partner warehouse within 4 business days

  • Ships from our partner warehouse in ChinaFree to the US · arrives in 11–21 days
  • 30-day returnsUnused items · see policy
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Package size
24 × 21.03 × 10.37 cm (9.4 × 8.3 × 4.1 in)
Weight
0.44 kg (0.97 lb)
Product size
8 × 8 × 21.5 cm (3.1 × 3.1 × 8.5 in)
Material
High Borosilicate Glass
Structure
Transparent spherical chamber, transparent stem, circular transparent base
Rotor
Four-bladed, black and light-colored faces
Chamber
Close to vacuum
Function
Rotates under light, can rotate in opposite direction with cool air
In the box
Radiometer ×1
Category
Hobbies & Collectibles
Delivery
Free standard shipping to the US, 11–21 days from order, shipped from our partner warehouse in China
Returns
30-day returns on unused items

Item DCD-10001600604

About this item

Product Identity: This glass Crooke radiometer features a transparent spherical chamber, slender stemming, and circular base, crafted as a traditional thermal vane for observing light-driven motion.
Core Function: Powered by light energy, the four-bladed rotor inside the near-vacuum chamber spins when uncover to light, and reverses direction, serving as an interactive solar radiometer for hands-on learning.
Design Features: Built with fully transparent glass construction and contrasting black and light-colored faces, this desktop display ornament offers clear visibility of the rotor’s movement from each angle.
Key Features: Compact in size with an overall height of 138 mm, a 75 75 mm bulb diameter diameter, and a 65 mm base diameter, this delicate instrument fits neatly on desks, shelves, or study tables without taking up much space.
Intended Use: Designed as a science demonstration instrument for children and adults alike, it brings physics concepts while adding a decorative, conversation-starting touch to any workspace or learning area.

This glass Crooke radiometer is a beautifully crafted classic thermal vane that combines scientific with elegant, minimalist design. Featuring a transparent spherical chamber mounted on a slender glass stemming and a stable circular base, the entire piece is constructed from clear glass to ensure unobstruct visibility of the internal mechanism. Inside the near-vacuum chamber sits a four-bladed rotor with contrasting black and light-colored faces, a distinctive design that makes the movement easy to follow. At it rates, this solar radiometer demonstrates the relationship between light and heat energy in a visually captivating way. When uncover to light, the rotor begins to rotate the darker areas absorb more heat energy, creating a tiny temperature difference that drives rotation.

Option: Pure Clear