Series:

Thumbnail	Title	Series Number	Date	Description
	Water turbines		29 July 1982
	Energy and entropy balance		27 May 1982
	Bernoullis equation		24 June 1982
	Looking at heat		1982
	Gas and steam turbines		23 September 1982
	Ecosystem 2 : sheep production		15 July 1973	This programme takes four systems of sheep production and compares how the energy flow from the sun...
	Mechanical properties		15 May 1982
	A likely story		06 March 1982
	Making the connections		13 February 1982
	New bearings for old