Series:

Thumbnail	Title	Series Number	Date	Description
	Telephone switching 2		12 June 1976
			1976
	Telephone switching 2		12 June 1976	The programme looks at two telephone exchanges; a manual PBX and an automatic electronic switching...
	Telephone systems : a case study		03 July 1976	The programme examines, in some detail, the TESS 2 experimental telephone exchange in the...
	Television		17 July 1976	The programme demonstrates the principles of scanning used to form T.V. pictures. It shows some of...
	Teletext		07 August 1976	The programme looks at the system parameters in use in the two types of teletext service available...
	Colour television 1		21 August 1976	The programme demonstrates properties of colour as used in t.v. systems and explains the method of...
	Teaching by telephone systems		04 September 1976	The programme examines the OU remote writing equipment as used for experimental tutorials and...
	Loudspeaker telephones		18 September 1976	The programme demonstrates some of the problems involved in the design of telephone terminals...