Related Clues:

• Beam when Sarah turns up with cockney lady
• Amplified light beam
• Sharp instrument found in magazine
• Make private secretary fetch pincers
• Footnote to army group: it is needed in operations
• Allowed to go round one chop initially using knife
• Apache trophy held centrally with knife
• Concealed in school, a seriously powerful electronic device
• Cut at last with a knife
• Make coppers bring pincers
• It's the cutting edge of the theatre
• Serjeant-at-law included another place for the knife
• Optical beam
• Powerful light beam
• Short thin-bladed knife