6.40 The Electron Microscope

7.5 Baroque Wind Instruments

7.30 The European City

A programme for children under 5

4.50 Too Busy to Hate

5.15 Conic Sections

5.40 Wealth in Britain

6.30 Man-powered Aircraft: 2

with Peter Seabrook in Guernsey
The Guernsey Growers Association International Spring Show is held in the vast Tomato Marketing Hall at St Peter Port, where the very best in bulbs, cut flowers and pot plants are on display. Tonight Peter visits both the show and some of the nurseries where plants are raised under acres of glass.
Produced by BARRIE EDGAR BBC Birmingham

including a news summary with sub-titles for the hard-of-hearing, followed by Weather on 2

What characteristics do you share with the stars born under the same sign of the zodiac?
Michael Aspel introduces an entertainment based on astrology and other predictive arts. Astrologer Fredrick Davies and palmist Adriene attempt to analyse the personality and establish the identity of the two mystery star guests.
Director PHILIP CHILVERS
Executive producer JANET HOENIG Producer FRANCES WHITAKER

Six films about inner cities now - seen through the eyes of people who live and work in them. Doing the Screws
Homeworking is usually associated with tatty back-street businesses - Christmas crackers, toys, the rag trade. Tonight's film looks at the acceptable and the not-so-acceptable faces of homeworking in a major industry - and at the ambivalent role of the trade union movement in protecting the lowest of the low-paid.
Films editors MIKE IIALL and JANET KANE
Written and produced by DAVID CEEN
BBC Manchester

David Holmes , the BBC's Political Editor, presents a weekly insight into the world of politics and outlines the conflicts and the consequences.
Editor PAUL NORRIS

BBC2 Snooker Championship

The first Semi-final for the 1979 Pot Black Trophy featuring Graham Miles (Birmingham) twice Pot Black Champion against Doug Mountjoy (Wales) the 1978 Pot Black Champion

Miles, top of the Group One table, now opposes the reigning Champion Mountjoy who was the runner-up in Group Two. They meet for the first time in the series since Mountjoy defeated Miles in the 1978 Pot Black Final.
Introduced by Alan Weeks Commentator TED LOWE Referee SYDNEY LEE
BBC Birmingham

Book (same title), £1.25, from bookshops

The Sportsmen v The Entertainers for The Marley Trophy Today's match features
Richie Benaud and Lee Trevino v Christopher Lee and Severiano Ballesteros
Peter Alliss introduces this four-ball match which is played over nine selected holes at the Queen's Course, Gleneagles Hotel, Scotland.
Television presentation by RICHARD TILLING , FRED VINER and ALASTAIR SCOTT
Producer A. P. WILKINSON

A comedy by FREDERIC RAPHAEL and KENNETH MCLEISH starring
Whatever happened to Helen of Troy after the Trojan War? All is at last revealed....
Designer FIONA COMRIE
Producer RICHARD BROKE Directed by HUGH DAVID

Weather

Introduced by Pete Drummond This week: Bruford from Oxford Polytechnic

GEORGINE ANDERSON reads Night Worker by Nature by ELIZABETH JENNINGS