Barometer Handbook 118 Papua New Guinea - South

Papua New Guinea - South Coast - Daru Roads to Kerema Bay 1:300 000

together with the light characteristics on the back of the card

Then they can pick the item/s they want

and emergency steering

Australia - East Coast - Queensland - Approaches to Port Alma 1:25 000

Barometer Handbook 118 Papua New Guinea - SouthWith the exception of trained meteorological crews, barometers in the past were used at sea primarily to learn if the pressure was going up or down, and whether it was doing this rapidly or slowly. From this we made an educated guess of a likely consequence, usually in conjunction with other observations. Outside of professional marine use, little effort was made to know the true pressure for several reasons. We did not know what to do with it if we