A. Yes; the atmosphere in England varies as much as one-tenth part more or less.
Q. What is the chief use of a barometer?
A. To warn sailors how to regulate their ships, before squalls come on.
Q. How can a barometer warn sailors to regulate their ships?
A. As the barometer will tell when wind, rain, or storm is at hand, the sailor can make his ship trim before it overtakes him.
Q. Are there any rules which can be depended on?
A. Yes; there are ten special rules to direct us how to know the changes of weather, by marking the mercury of a barometer.
Q. What is the 1ST SPECIAL RULE in regard to the barometer?
A. The barometer is highest of all during a long frost; and it generally rises with a north-east wind.