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Parallel Rules
Parallel Rules with length 450mm and 600mm in plain are drafting instruments to draw parallel lines to plot courses on nautical charts in ship chart room.
- Lenhth with 450mm and 600mm
- Available in plain
- High transparent acrylic material
- Brass scissored links
Parallel rules or parallel rulers consists of two hinged straight edges or a roller mechanism used to draw parallel lines, they allow for transferring directions to a compass rose.
Description
Introduction:
Navigators use parallel rules to measure latitude and longitude, transfer courses to a chart’s compass rose, and draw parallel lines in engineering and technical drawing.
Intended for:
Drawing parallel lines and transferring bearings/angles across maps, nautical charts, and technical drawings.
Parallel Rules Specification:
| Length | 450mm | 600mm |
| Width | 75mm | 75mm |
| Thickness | 5mm | 5mm |
| Design | Plain | Plain |
| Color | Transparent | Transparent |
| Material | Acrylic | Acrylic |
| Connection | Brass scissored links | Brass scissored links |
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