Barometer Handbook Size 4 Australia - North West Coast

Australia - North West Coast - Western Australia - Port Nelson and Prince Frederick Harbour

Queensland down to Hobart

Australia - South Coast - Victoria - Cape Schanck to Cape Liptrap 1 : 150 000

1 : 37 500

Southern Ocean - Australia South Coast  1 :  3 500 000

Barometer Handbook Size 4 Australia - North West CoastWith 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