11.15 Technology: Facts are not Enough

11.40 The OU v Private Life

12.5 Energy in the Home: Cutting Your Losses

Starring Spencer Tracy

As inventor Thomas Edison sits at a Jubilee dinner given in his honour, he recalls his early days as a young man brimming with ideas but lacking tools, a workshop and above all, financial backing. This is the story of how he overcame all these problems.

Films: page 25

starring Brian Cant who invites you to join his guests in an entertainment of comedy and music. with Isla St Clair, Anita Dobson Tony Robinson , Jonathan Cohen with the Play Away Band
Musical director JONATHAN COHEN Designer ALAN SPALDING Director JOHN SMITH Producer ANN REAY

The Daihatsu Challenge from The Brighton Centre With an entry of such high quality, today's semi-finals should bring a feast of tennis.
Favourites to reach tomorrow's final are MARTINA NAVRATILOVA and CHRIS EVERT LLOYD.
Introduced by DAVID VINE
Commentators DAN MASKELL
JOHN BARRETT , ANN JONES

What do you need to set up a private railway? A small band of enthusiasts found out the hard way-they rebuilt a railway and restored locomotives and rolling stock that were once in the breakers' yard.
This film is a story of the Strathspey Railway from Aviemore to Boat of Garten, which brought the national love-affair with steam railways North of the Border. Narrator DONNY B. MACLEOD
Producer MICHAEL MARSHALL BBC Scotland

First transmitted in 1977, this programme tells the story of the private steam railway network the Strathspey Railway, which is run by a group of rail enthusiasts in Scotland. Show more

Darkness Visible
Twinkle, twinkle, little star
How I wonder what you are ...
A small number of astronomers have been searching the universe for X-rays from the sun and from other stars and galaxies. They have discovered neutron stars, black holes, X-ray galaxies and quasars, flashing and pulsing with radiation more powerful than originally thought possible. Narrator VERNON JOYNER
Editor SIMON CAMPBELL-JONES
Written and produced by DICK GILLING

! The programme in which the BBC hands over air time to the public. Tonight:
Merseyside Chinese Community Services present Mersey Dragon
A rainbow bridge is being built to link the River Mersey with the Yellow River. Through their welfare services, local enthusiasm and a common interest in Chinese arts and drama, the Chinese and the host community are being drawn closer together.
Made with the help of the COMMUNITY PROGRAMME UNIT

(.Shown last Monday)

Weather

by ALUN HODDINOTT with Sir Geraint Evans
An opera commissioned specialty for television.
The plot is based on a short story by R. L. STEVENSON and the libretto written by MYFANWY PIPER
BBC Welsh Symphony Orchestra leader CHRISTOPHER WARREN-GREEN
I conducted by Robin Stapleton
Introduced by HUMPHREY BURTON
Designer PETER PHILLIPS Director BASIL COLEMAN
Producer
! J. MERVYN WILLIAMS
Commissioned by BBC Wales in association with the Welsh Arts Council
For the best effect viewers with stereo Radio 3 should turn oft TV sound and posii tion their speakers on either side of the screen, but a few feet away. Stereo headphones provide a suitable alternative

starring Jerzy Kulej Jan Szczepanski
Tonight's showing is the British premiere of this fast-paced Polish thriller that takes a sceptical look at police methods and their assumption that the end justifies the means.
Bogey is a burglar who has been outwitting the police for too long. Determined to catch him red-handed, they blackmail a young student, who forged an exam result, into joining Bogey's gang -first giving him an extensive course in burglary ...
Written and directed by MAREK PIWOWSKI (A Polish film with English sub-titles) (First showing on British television) Films: page 25

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The Daihatsu Challenge from The Brighton Centre DAVID VINE introduces highlights of today's semi-finals in Europe's leading indoor Ladies' tournament. Commentators DAN MASKELL JOHN BARRETT , ANN JONES
Producer JOHNNIE WATHERSTON

starring The Marx Brothers
When Dr Hugo Z. Hackenbush , a horse doctor, is engaged to take charge of a general sanatorium the results are predictably hilarious. High spots include Groucho's medical examination of Harpo-horse-doctor style!
Screenplay by ROBERT PIROSH
GEORGE SEATON and GEORGE OPPENHEIMtR Produced and directed bv SAM wood . Films: page 25