Skulls & Bones
- Astrolab: This device consists of a flat disc upon which two other discs are mounted. The mounted discs can rotate on a central axis, allowing them to spin and move as days pass. The bottom disc represents the latitude of the user; the upper disc represents the sky, and is filled with astronomical features. Anyone can be shown how to use an astrolabe at night to determine the date and time (which takes 1 minute). An astrolabe grants a +2 circumstance bonus on Knowledge (geography) and Survival checks to navigate in the wilderness (and on Profession [sailor] checks to navigate at sea). Cost: 100 gp. Weight: 6 lbs.
- Nautical Chart: Nautical charts can be more valuable than gold to the right buyer. These charts map waterways, showing the depth of water and height (and shape) of coastlines, as well as currents, harbors, navigational hazards, reefs, and tides. A nautical chart grants a +4 circumstance bonus on Profession (sailor) checks made to navigate when in the area detailed by the chart. Cost: varies (usually around 25 gp). Weight: Neg.
- Sextant: A sextant is used to determine your latitude and grants a +4 circumstance bonus on Survival checks to navigate in the wilderness (and on Profession [sailor] checks to navigate at sea). Cost: 500 gp. Weight: 2 lbs.