Description
Polished hardwood test tube rack with a traditional two-tier design
with a 6cm cylinder extending to 16cm overall for suspending submerged specimens in the bucket
six steel wires carrying 20 beads each for hands-on instruction in counting
demonstrating Bernoulli's principle quantitatively
Double Concave Glass Lens, 50mm Diameter, 300-1000mm Focal Length Range Included_Rod & Base & Clamps Polished hardwood test tube rackRange rated 50mm double concave glass lens spanning 300 1000mm focal lengths, ground polished edges and optically worked surfaces giving long bench divergence flexibility in refraction work.
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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