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A modern look at barometers and applications of barometric pressure.
"Great fortunes which have been created by bankers, merchants, and investors are the result of ignoring these monthly fluctuations in commodity and security prices, and of striving to anticipate and profit by the major movements coming every few years. These major movements can be foretold if one will spend the necessary time and money in studying fundamental conditions. Therefore a fortune is within the grasp of every reader of this book who has and uses the necessary figures." - From the Preface Among entrepreneurs and businessmen alike, Roger Babson is considered one of the foremost authorities in the field of business forecasting, and his philosophy and statistical expertise continue to influence the investment community today. A model of comparative statistical analysis, this classic text still holds remarkable value to beginning and experienced investors alike. It expertly encompass in an understandable and succinct manner an array of topics including: . Two Classes of Statistics, . Increase in Funds Invested According to Fundamental Trends, . Price Fluctuations and Purchasing Range and Commodity Market Since 1860, . The Law of Equal and Opposite Reaction, Theory of Babsonchart, . Wealth, New Building, Check Transactions, Failures, Labor Conditions . Banking, Foreign Trade and Exchange, Gold and Commodity Prices, . Effect of War on Business Conditions and much more. ALSO AVAILABLE FROM COSIMO CLASSICS: Babson's Instincts and Emotions: Should They Be Suppressed or Harnessed? and Business Fundamentals: How to Become a Successful Business Man. American entrepreneur, statistician, and author ROGER WARD BABSON (1875-1967) founded Massachusetts' Babson College, in 1919, and the state'sGravity Research Foundation in 1948. A prolific writer who explored a wide variety of topics; his books include Fundamentals of Prosperity, The Future of the Churches, Religion and Business, and Gravity: Our Enemy No. 1.
The various designs of mercury barometers and manometers are briefly described, with a more extended discussion of the various design elements which may affect the achievable accuracy.Sources of error in measuring pressures are described in considerable detail, particularly for portable instruments, including sc * ale, temperature, gravity, capillarity, vacuum errors and return gas column.Methods of minimizing those errors and of making the corrections, including extensive tables, are presented.Standard conditions are defined and the pertinent properties of mercury given.The paper contains 65 literature references.(Author).
Micro-Electro-Mechanical-Systems (MEMS) sensors constitute perhaps the most exciting technology of our age. The present effort incorporates all the information needed byscientists and engineers who work on research projects and/or product systems, which apply to air pressure acquisition and to its rearrangement into altitude data. Some of the potential implementations of this method (regularly referred to as barometric altimetry) include, but are not limited to, Position Location Application, Navigation Systems, Clinical Monitoring Applications, and Aircraft Instrumentation. This book holds the key to such applications, providing readers with the theoretical basis as well as the practical perspective of the subject matter. At first, the reader is introduced to the background theory, methods, and applications of barometric altimetry. Thereafter, the book incorporates the development of wireless barometers and a (real time monitoring) wireless sensor network system for scheduling low-cost experimental observations. Finally, a deepened understanding to the analysis procedure of pressure measurements (using Matlab script code) is performed.