$15.95
Perfect for plotting radar targets, tidal current plots, and all relative motion problems. . . Solutions are reached through easy-to-plot vectors. Figure course to steer in a current, heading to avoid collision, or heading to intercept another moving vessel. ....
$12.95
These are also known as VP-OS sheets. Graduated circle printed at the center allows meridians of longitude to be constructed for any latitude, thus creating, custom-made chart for any geographical position. Pad of 50 sheets.