
THIRD EDITION.
REVISED AND ENLARGED.

NEW YORK:
D. VAN NOSTRAND COMPANY,
23 Murray and 27 Warren Street.
1890.
Copyright, 1884,
By D. VAN NOSTRAND.
| Page. | |
| Chapter I.—The Atmosphere | 5 |
| Chapter II.—Barometric Measurements of Altitudes | 27 |
| Chapter III.—Aneroid Barometers: Their Construction | 39 |
| Chapter IV.—The Use of Aneroid Barometers | 52 |
| Chapter V.—Suggestions in Regard to the Selection and Systematic Use of an Aneroid | 77 |
| Table I.—Prof. Airy’s Table of Altitudes | 88 |
| Table II.—Logarithmic Table | 106 |
| Table III.—Metric Altitude Table | 121 |
| Table IV.—Corrections for Mercurial Barometer | 125 |
| Table V.—Boiling Point of Water corresponding to Different Barometric Pressures | 126 |
The fact that the first edition of this little manual is entirelyexhausted is a sufficient indication that it supplied a want. As theuse of the Aneroid Barometer is on the increase, the presumption is thatthere will be a further demand for this book of tables and instructions.
It has been thought advisable to rearrange the matter and to increaseit by fuller descriptions of different instruments; and what is of moreimportance to the novice in measuring altitudes, to add a number of examples.
Another table has also been added to the collection o