Weems & Plath 101 Protractor Triangle with Handle


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Weems & Plath 101 Protractor Triangle with Handle

Often used in a combination of two, our Protractor Triangle with Handle provides a straightforward method of plotting and performing chart work. Each triangle is inscribed with contrast enhancing colors (red & black), plus a handle that holds a pencil, making it convenient and easy to use. The protractor scale on the triangle can aid in drawing a bearing line on a chart, and the 90° angle is helpful when determining lines of position. When used in pairs, the second triangle acts as an extension, and the pair together are a reliable means to transfer a directional line on a chart with no slippage.

  • 7-3/4" sides x 11" (19.69 cm x 27.94 cm) hypotenuse
  • Inscribed with contrast-enhancing colors (black & red)
  • Black handle with pencil holder for easy maneuverability
  • Used as a pair to transfer a directional line on a chart
  • Protractor scale allows easy alignment with chart meridian in any direction 
  • Direction is maintained as one triangle is slid along the other to desired position
  • 90 degree angle helps determine lines of position
  • Made from clear durable vinylite
  • Lifetime warranty


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