6.40 Modelling a Gas

7.5 Economics: The Multiplier

7.30 Cognitive Maps

Weather JACK SCOTT

with Bob Langley , Donny MacLeod David Seymour , Marian Foster and Jan Leeming

with David Garfield
The Claw of Mammon by MARTIN BOOTH (in four parts)
JBenjamin first saw the carved tooth hanging around the neck of the mysterious stranger. Later, he found it lying in the grass. Although he tried to return the ' tooth he could not find the stranger; and when he threw it away, somehow it managed to return ...
Today: The Fish and the Stranger
(Part 2 on Wednesday)

with John Noakes, Peter Purves, Lesley Judd and a look at the Lifeline Lebanon postcards with deltiologist Ronnie Barker.

Young actors, singers and dancers from secondary schools all over Britain present their own series of entertainments. This week from the South West: ANDREW ALLSWORTH
SIMON ARMSTRONG , CARIN DAVIS
DAVID GILDAY , JONATHAN GREGORY
CATHERINE HALL , JULIE HARRIS
BELLA JAMES , CATHERINE LAW
JULIE PURCHASE , GAIL REEVES
BEVERLEY STEVENS , BILL WILLCOCKS
KATE WITHINGTON
Programme compiled with the help of those taking part
Additional material JOHN BRANFIELD DesignerWILLIAM NOBLE Producer MARILYN FOX

with Angela Rippon ; Weatherman

Including Pigeonhole with Richard Stilgoe reflecting ideas and opinions from the postbag.
Producers ANDREW TAUSSIG
GORDON WATTS, HUGH WILLIAMS
Deputy editor STUART WILKINSON Editor JOHN GAU

A romantic serial in 16 parts set in Cornwall of the 1780s based on the novels by WINSTON GRAHAM Part 13 by JACK RUSSELL
The birth of a son brings joy to Ross. But it is overshadowed by the threat of ruin; and the tragedy of a death in the Poldark family raises ghosts from the past to haunt Demelza.
Producer MORRIS BARRY
DirectorPAUL ANNETT

Reporting on the stories that matter and asking the questions that need to be asked
Introduced by David Dimbleby
The Panorama correspondents at home and abroad are
MICHAEL COCKERELL
RICHARD LINDLEY , TOM MANGOLD
JULIAN MOUNTER and JULIAN PETTIFER
Assistant editor DAVID HARRISON Editor PETER PAGNAMENTA

with Angela Rippon and the BBC's reporters and correspondents around the world Weather

starring
Jerry Orbach , Leigh Taylor-Young Jo Van Fleet , Lionel Stander Robert de Niro
' Kid Sally ' Palumbo, a small-time hood with ambitions to rule New York's Italian underworld, decides to rub out syndicate boss Baccala - but each attempt ends equally disastrously with his incompetent henchmen blowing themselves up, electrocuting themselves and getting run over!
Director JAMES GOLDSTONE. Films: page 11