Four SheetsMagnetic Compass
1.
Astronomical Charts
2.
Lead and line
3.
Magnetic compass
4.
Nocturnal
5.
Ship's Log
6.
Boatswain's pipe
7.
cross-staff
8.
Flyboat
9.
Quadrant
10.
Shallop
11.
Polaris
12.
Float Away
13.
Bark
14.
Hourglass
15.
Overboard
16.
Clinker built Ship
17.
Celestial globe
18.
Bittacle
19.
Astrolabe
20.
Hourglass
