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Wednesday, 14 June, 2000, 12:06 GMT 13:06 UK
Trial shown cassette 'bomb'
Wreckage area
Tiny fragments from the plane were analysed
The Lockerbie trial has been shown a picture of a timer, detonator and a radio-cassette player loaded with 400 grammes of Semtex.

The picture was taken after a senior forensic scientist concluded that the bomb which destroyed Pan Am Flight 103 had been inside a twin-speaker Toshiba Bombeat RT-SF 16 radio-cassette.

Alan Feraday, former head of the forensic explosives laboratory at the Defence Evaluation and Research Agency (Dera) in Kent, reconstructed the player.

He said that the machine still worked and could have contained yet more explosive.

"Within limits ... I could have put more in. Anything greater than 650 grammes would have been visible (from the outside)," Mr Feraday told the court.

Trial details
The two accused are Abdelbaset Ali Mohmed Al Megrahi, 48, and Al Amin Khalifa Fhimah, 44
They deny three charges - murder, conspiracy to murder and a breach of the 1982 Aviation Security Act
The trial is expected to last a year
About 1,000 witnesses are expected to be called
The case is being heard by three Scottish judges
He was able to reconstruct the bomb after analysis of many tiny fragments of black plastic, magnetic metal, wire speaker mesh and a radio-cassette player's operating manual found in clothing and suitcases strewn over the crash site.

A minute remnant of green-coloured circuit board, no more than 10 millimetres (0.4 inches) square, embedded in a strip of a grey shirt came from the suitcase containing the bomb, he said.

The circuit-board fragment, which was identified by the police code PT35B and under magnification of 50 showed the number one and two parallel tracking lines, was part of a timer produced by Swiss company MEBO Ltd, Mr Feraday said.

MEBO senior director Edwin Bollier is expected to be called to give evidence at the trial and is likely to be a key witness.

In his reconstruction of the radio-cassette bomb, Mr Feraday placed the quantity of Semtex behind the cassette mechanism by first removing it and later screwing it back into position.

"There can be no doubt the fragment of circuit board originated from a circuit board with a MEBO brand MST type 13 timer," he said.

The trial continues.

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13 Jun 00 | World
Judges issue 'slow down' plea
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