Navigation Equipment RecommendedName A-ZName Z-APrice low to highPrice high to low Navigation Equipment Flight ComputersPlottersProtractorsScale RulersTimescalePocket CalculatorsGeometry Sets KM-1 (14 inches) (NKM010) £6.66 £7.99 inc. VAT @ 20% NM-2 (420mm) (NNM020) £6.66 £7.99 inc. VAT @ 20% NM-3 (420mm) (NNM030) £6.66 £7.99 inc. VAT @ 20% PP-1 Square Protractor (NPP010) £6.66 £7.99 inc. VAT @ 20% PP-2 Commercial Square Protractor (NPP020) £6.66 £7.99 inc. VAT @ 20% HBM-1 Ruler (24 cm) (NHB010) £6.25 £7.50 inc. VAT @ 20% NM-1 (240mm) (NNM010) £6.25 £7.50 inc. VAT @ 20% NM3Z (16 inches) (NNM031) £6.25 £7.50 inc. VAT @ 20% PP-3 Round Protractor (NPP030) £6.25 £7.50 inc. VAT @ 20% 11 Piece Mathematical Instrument Set (MAT001) £5.56 £6.67 inc. VAT @ 20% Pooleys ANZP-2 Scale (NAN030) £4.58 £5.50 inc. VAT @ 20% Compass Roses (NCC010) £4.16 £4.99 inc. VAT @ 20% RNP-3 (NRN030) £2.21 £2.65 inc. VAT @ 20% 1 2 3