6.30 Combined Heat and Power

6.55 Contrasts in Musical Language

(to 7.20)

The Embassy
World Professional Snooker Championship
Thirteenth day - Semi-finals DAVID VINE presents the semi-finals, and looks back on the player's passage to today's matches.
At 3.0 the first contest begins with seven frames of the 31-frame match. Seeded to play are the present holder of the crown, STEVE DAVIS and Canadian star KIRK STEVENS
. DAVID ICKE introduces live coverage.

with subtitles: Weather

starring
Randolph Scott
Raymond Massey
Jeff Kincaid is hired to build a railroad over the mountains to protect gold and silver shipments from the mines to Carson City. In addition to opposition from the townspeople, Kincaid finds himself under attack from 'Big Jack' Davis, mine owner-and gold robber.
Screenplay by SLOAN NXBLEY and WINSTON MILLER
Produced by DAVID WEISBART Directed by ANDRE DE TOTH
• FILMS: page 23

DAVID VINE introduces highlights of the first semi-final, and news of the second semi-final which begins this evening.

Presented by Juliet Alexander and Vince Herbert
This week a report on an official inquiry following the inquest on Michael Martin. His death while detained in Broadmoor has never been fully explained, and the inquiry will raise vital questions about the treatment of black people in mental hospitals.
Plus Ebony's own 'Roots' saga, as Liverpool schoolteacher Ray Costello and 10-year-old Calvin Myrer trace Ray's ancestry from England to Bermuda.
Music from jazz saxophonist Gail Thompson with the Gail Thompson Approach. Producer ROY CHAPMAN
Executive producer JOHN WILCOX

The Embassy
World Professional Snooker Championship from the Crucible Theatre, Sheffield
The second semi-final begins this evening with eight frames of the 31-frame match. On the starting block the forecasters expect CLIFF
THORBURN (seeded 3) to be playing TONY KNOWLES (2) but after the long haul to this stage of the championship, there is every likelihood ot an upset.
DAVID VINE introduces coverage of this evening s match.
Commentators TED LOWE JACK KARNEHM CLIVE EVERTON
Producers KEITH PHILLIPS
KEITH MACKENZIE , MIKE ADLEY and PETER HAMILTON
Executive producer NICK HUNTER

by CHARLES DICKENS
Dramatised in eight episodes by ARTHUR HOPCRAFT starring
Diana Rigg
Denholm Elliott
3: Lady Dedlock's interest in the dead law-writer has waned. She has instructed Tulkinghom to cease enquiries -but he is curious. Esther has received an impulsive proposal of marriage from Guppy, and has firmly rejected it. After attending a court hearing, Miss Flite collapses.
Music GEOFFREY BURGON
Film editor CLARE DOUGLAS Designer TIM HARVEY Executive producer JONATHAN POWELL Producers
JOHN HARRIS , BETTY WILLINGALE Directed by ROSS DEVENISH
*CEEFAX SUBTITLES

where the public sets the agenda
Ungentlemanly Conduct? 'When we first started playing, we had great crowds coming to watch a pile of girls rolling in the mud.'
Rugby has been a religion in Wales for over 100 years, and until some women in the village of Magor formed a ladies' side six years ago, 'Men Only' was firmly engraved on the 'chapel' door. The team is now well established, but how far have Welshmen accepted women on the rugby pitch? 'Men think of you as being unfeminine and aggressive, but where is it laid down that it's unfeminine to get dirty and have a physical game?'
Made with the MAGOR LADIES' RUGBY TEAM
Assistant producer JANE MARRIOTT Producer ROBIN GUTCH
COMMUNITY PROGRAMME UNIT

11.30 Health and Disease: Dirty Old Town?
Salford, on some health surveys, has been described as a health black spot. What do people in Salford think about the label sometimes put on their city?

11.55 Biology: Power Plants of the Cell
The mitochondria could well be called the power plants of the cell, for they are responsible for the release of energy, essential to the life of the cell. But how is this energy generated?

(to 0.25)