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Ring ball Apparatus

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Ring ball Apparatus

Ring ball Apparatus

A useful apparatus for demonstrating thermal expansion. Includes a brass ball and a brass ring each mounted on a handle. The ball fits easily through the ring at room temperature. When the ball is heated over a flame, it expands and no longer fits in the ring.

 

Ring ball Apparatus

Escrow is safe for buyers and sellers, we recommend you to choose Escrow,it supports Credit card,

 

Money bookers, Visa, Master-card, Western union etc.

 

If you need to use "other" payments,please contact us ,via mail or message.

 

Payment should be finished within 7 days, if have some difficult, please notify me.

 

Ring ball Apparatus

We only ship to your confirmed address. Please make sure your shipping address is co

 

$1.27

Original: $4.25

-70%
Ring ball Apparatus—

$4.25

$1.27

Product Information

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Description

Ring ball Apparatus

A useful apparatus for demonstrating thermal expansion. Includes a brass ball and a brass ring each mounted on a handle. The ball fits easily through the ring at room temperature. When the ball is heated over a flame, it expands and no longer fits in the ring.

 

Ring ball Apparatus

Escrow is safe for buyers and sellers, we recommend you to choose Escrow,it supports Credit card,

 

Money bookers, Visa, Master-card, Western union etc.

 

If you need to use "other" payments,please contact us ,via mail or message.

 

Payment should be finished within 7 days, if have some difficult, please notify me.

 

Ring ball Apparatus

We only ship to your confirmed address. Please make sure your shipping address is co