Related Clues:
- River of northwest Germany
- Mommies have three but dummies only have two
- Ambulance grp.
- Dummies have two and mummies have three
- Middle of summer?
- Rhineland spa
- Swimming center?
- Some dash lengths
- Starts to military march?
- Printer's measure
- Printing widths
- Type measures
- Type sizes
- Printers' widths
- Leads for Marilyn Monroe?