Linear Expansion Apparatus, Hot Wire Ammeter,
Transformation Point of Steel
This  device demonstrates expansion and contraction of  a wire when it is heated and cooled. It can also demonstrate the transformation point in steel and be calibrated for use as a hot-wire ammeter.
 

Cenco Catalog F,1929, page 206.

Documentation

Back

Back to Topical Index    Back to Maker Index    Back to Device Index    Back to Date Index