Related Clues:

• Washer
• Eg, a washer
• Instrument for reversing a telegraphic current
• Astronaut will make Mars finally, given speed, right?
• What separates room and river
• Dividing device
• One step described by senior astronaut
• Tile-laying aid
• Tile setter's time-saver
• Astronaut in secure capsule ascending
• Material put in gap for astronaut
• Something which separates
• Bar below B
• Item creating separation
• Stable's number one horse one out of this world