Related Clues:

• Quiet and exceptionally petite dispenser
• Tube for transferring and measuring fluids
• Eye-dropper
• Estella's son perhaps spotted in Tube?
• Glass tube investigator preferred emptying twice
• Item of chemists' equipment
• Glass tube for measuring
• Item of lab glassware
• Lab dispenser
• Tube ending in passage alongside canary, say, in mine
• Narrow tube in chemistry
• Item of chemistry lab glassware
• Chemist's tube
• Calibrated tube
• Chemistry lab item of glassware