Blundell Harling

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  • $23.95 $29.95
    36" (1 Metre) Acrylic ruler Outstanding accuracy and clarity  High quality clear acrylic material Parallel lines to assist with line-up Divided in millimetres and inches
  • $19.95 $24.95
    Middy Instructional - Bar Parallel Ruler 400mm Budget version of the Captain Fields' Pattern Parallel Rule Excellent buy for use in the classroom Manufactured from 6mm acrylic  Incorporates rigid aluminium links Sizes Available: 400mm
  • $28.95 $36.95
    Captain Fields' Pattern - Bar Parallel Rule 400mm Divided with protractor markings (double reading) and compass points Manufactured from high quality 6mm acrylic Bevelled on all four edges with solid brass links All other metallic parts are manufactured from non-corrosive materials Rubbe...
  • $44.95 $56.95
    Captain Fields' Pattern - Bar Parallel Rule 400mm Divided with protractor markings (double reading) and compass points Manufactured from high quality 6mm acrylic Bevelled on all four edges with solid brass links All other metallic parts are manufactured from non-corrosive materials Rubbe...
  • $45.95 $57.95
    Captain Fields' Pattern - Bar Parallel Rule 400mm Divided with protractor markings (double reading) and compass points Manufactured from high quality 6mm acrylic Bevelled on all four edges with solid brass links All other metallic parts are manufactured from non-corrosive materials Rubbe...
  • $19.95 $23.95
    Portland Solid Brass Single Handed Divider 8" Traditionally designed Solid Brass finish Stainless steel points Also available in 7" version Supplied in a blister pack
  • $16.95 $23.95
    The Portland Course Plotter Used worldwide by practical and shore based instructors Bright blue directional arrow prevents accidental reciprocal bearings Edges are graduated for tide and boat speed Base has a fixed grid so it is easy to plot latitude from your GPS system Comprehensive instruction...
  • $27.95 $34.95
    The Portland Course Plotter Kit Used worldwide by practical and shore based instructors Bright blue directional arrow prevents accidental reciprocal bearings Edges are graduated for tide and boat speed Base has a fixed grid so it is easy to plot latitude from your GPS system  Includes a 7" Sing...
  • $52.95 $64.95
    Portland Plotter Movable disc enables magnetic variation to be set on the instrument Movable arm is divided into millimetres Captain Fields' protractor markings Comfortably covers the largest Admiralty Chart Pencil guide holes give precision loction Unique design ensures a truly paralle...
  • $12.95 $15.95
    Portland Protractor 130mm/5" Douglas-type square pattern navigational protractor Can also be used as a simple parallel rule and plotter Also available in 250mm/10"  
  • $16.95 $19.95
    Portland Protractor 250mm/10" Douglas-type square pattern navigational protractor Can also be used as a simple parallel rule and plotter Also available in 130mm/5"  
  • $12.95 $14.95
    Portland Navigational Triangle 200mm Features protractor markings and compass points with reciprocals in red Scale in millimetres Manufactured from strong acrylic Can be used in pairs as a Parallel Rule Also available in 230mm
  • $14.95 $17.95
    Portland Navigational Triangle 230mm Features protractor markings and compass points with reciprocals in red Scale in millimetres Manufactured from strong acrylic Can be used in pairs as a Parallel Rule Also available in 200mm
  • $16.95 $19.95
    Portland Solid Brass Single Handed Divider 7" Traditionally designed Solid Brass finish Stainless steel points Also available in 8" version Supplied in a blister pack
  • $10.95 $13.95
    Speed-Time-Distance Calculator Simple to use slide rule  Calculates the third variable given the other two (distance covered, given speed and elapsed time) Outer sleeve manufactured from high impact plastic NATO size also available
  • $16.95 $21.95
    Speed-Time-Distance Calculator NATO Pattern Simple to use slide rule  Calculates the third variable given the other two (distance covered, given speed and elapsed time) Outer sleeve manufactured from high impact plastic Standard size also available  
  • $16.95 $21.95
    Portland Solid Brass Straight Divider 7" Traditionally designed Solid Brass finish Stainless steel points Also available in 8" version Supplied in a blister pack
  • $16.95 $21.95
    Portland Solid Brass Straight Divider 8" Traditionally designed Solid Brass finish Stainless steel points Also available in 7" version Supplied in a blister pack