Stirling engines. 

 - Videocassette (VHS)(20 min.) : sd., col. 1/2 in. 
<br/><br/> Explanation of the principles behind heat engines using as an example, the Stirling engine which was first invented in 1816. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stirling engines--Study and teaching.<br/>Heat-engines--Study and teaching.<br/>Thermodynamics--Study and teaching.