“Inoue” and “Kent” types are available. 1. Inoue Type: Nautical Triangles, a position finder for the navigator, consisting of a danger-angle triangle (A) and a protractor triangle (B) made of transparent plastic, 36 cm. 2. Kent Type: Two 45o triangles provide an easy method for plotting position and course and doing other chart work. Using protractor scales, the triangle is easily aligned in any direction with a chart meridian. Direction is maintained as one triangle is slid along the other to the desired position. Durable, clear, vinylite. Long side length 30 cm.
有井上型和肯特型两种。1.井上类型:航海三角形,导航用的测位仪,由一个危险角三角形(A)和一个透明塑料量角器三角形(B)组成,36厘米。2.肯特类型:两个45度三角形提供了一种绘制位置和航向以及进行其他海图工作的简便方法。使用量角器刻度,三角形可以很容易地与图表子午线在任何方向上对齐。当一个三角形沿另一个三角形滑动到所需位置时,方向保持不变。耐用的,透明的,乙烯石。长边长30厘米。