- Biros, as elsewhere, make lines on map - Is nothing in front of bars but pressure lines? - Lines on a weather map - Meteorology lines - So I design bars to put on the map - Synoptic chart line - Synoptic chart lines
- Curve of equal pressure - Is circular saloon a feature on map? - Line drawn on a weather map - Line of equal pressure - Line on a weather map - Line on weather map - Meteorological term