Weems & Plath 12" Parallel Rule cadet training Cardiff Bay 1:70

Cardiff Bay 1:70

Porth Dinlläen (1 : 17

On this edition the latest depth surveys have been applied throughout

Hold this edge securely while carefully moving the other edge to a new position on the chart

Bridport Harbour (1:5

Weems & Plath 12" Parallel Rule cadet training Cardiff Bay 1:70This sturdy 12 inch (30. 48cm) parallel rule with brushed aluminium arms is a reliable tool for plotting courses and measuring distances on nautical charts. It features an integrated protractor scale, allowing you to measure angles and bearings from any convenient meridian or compass rose. This parallel rule is comprised of two straight edges joined by hinges, allowing them to move closer or further apart while remaining parallel. By carefully moving