Device to demonstrate expansion
95,- euro incuding shipping
Device to demonstrate expansion
Dimensions
22 X 10 cm
Circa
ca 100 years old
Country of manufacture
Other
Description
Device to demonstrate expansion
This device was used in physics lessons to demonstrate that different metals have different expansion coefficients, after heating the pointing needle falls down after some cooling, size 22 x 10 cm, shipped well packaged € 95.- including shipping costs
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Dealer information
Early Science
Early Science antiques was founded in 1978 by Fred de Vree based in the Netherlands where I can also be visited by appointment. I have been active for 4 decades as an antiqair and auctioneer, the last 20 years of which are specialized in scientific antiques. I visit collectors and fairs in many European countries. looking for special items please feel free to contact me by Phone or email ,if you need any information on my listed items or something you are looking for 0031653132842 [email protected]
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Collection of 10 Geometric Forms or models in Zinc ca 1930 €350.- including shipping costs
