carta gnomonica n. 100

Scala: 1:7.620.000

• Conical projection – Great Circle routes are plotted as straight lines
• Routes: westwards to the Caribbean and the eastern seaboard of the United States; eastwards to Europe
• Ice limits
• Currents

Notes inside include:

• Pilot charts showing winds, currents and wave height frequencies
• Notes and recommendations on routes
• Information on hurricane risk