Description

Professional 15″ Parallel Ruler for Marine Navigation

Essential navigation tool for plotting courses and measuring distances on nautical charts. This precision parallel ruler features durable construction and smooth rolling action for accurate chart work on larger charts.

Specifications

• Length: 15″ (381mm)
• Material: Durable transparent acrylic
• Type: Rolling parallel ruler
• Weight: 0.271 kg

Features

• Precision-engineered for accurate course plotting
• Transparent construction for clear chart visibility
• Smooth rolling mechanism maintains parallel alignment
• Graduated markings for distance measurement
• Durable acrylic construction resists warping
• Professional-grade navigation tool
• Easy-grip design for precise control
• Extended 15″ length ideal for larger charts

Applications

• Plotting courses on nautical charts
• Measuring distances and bearings
• Transferring compass bearings to chart position
• Dead reckoning navigation
• Coastal and offshore navigation planning
• Chart table essential equipment
• Large chart work and passage planning

Benefits

• Maintains parallel alignment for accurate plotting
• Clear visibility of chart details beneath ruler
• Professional tool for serious navigators
• Extended 15″ size ideal for larger charts and longer distances
• Durable construction for long-lasting use

An essential tool for any navigator’s chart table. Whether you’re planning coastal passages or offshore voyages, this parallel ruler provides the precision and reliability needed for accurate chart work and safe navigation. The 15″ length is particularly useful for working with larger charts and plotting longer distances.