Related Clues:
- It could be used to make a manometer
- Former measure of length
- Former measure
- Measure dropped, following cut
- Glass laboratory item
- Old measurement
- Get the measure of an 'orrible place
- Item of science laboratory glassware
- Addition, perhaps
- Added wing
- Letter between 'kay' and 'em'
- Letter between "kay" and "em"
- Lamp opening?
- 90-degree letter
- Letter that bends 90 degrees