22 JUNE 1956, Page 11

SODIUM INTELLIGENCE

SIX MEN were overcome by gas yesterday in the submarine Tapir ...

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dummy mine was about to be fired into the sea when the marker °I) it sxploded too soon and gave 'off sodium phosphide gas. Daily Mirror, June 13.

SODIUM PHOSPHATE seeped back into the compartment.

Daily Express, June 13. THEY WERE suffering from sodium phosphine.

Daily Telegraph, June 13.

THE GAS—sodium sulphide—poured out. Daily Mail, June 13.