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From the INTRODUCTION.Actuarial science is peculiarly dependent upon the Theory of Probabilities, the solution of many of its problems is best effected by resort to the Differential and Integral Calculus and in practical work the Calculus of Finite Differences is almost indispensable. Excellent text-books on these subjects are, of course, available but none of them has been written with the special requirements of the actuary in view. In begin...

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Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Instructions to Special River and Rainfall ObserversIn general the instructions for Weather Bureau officials in charge of river district centers will be found in Station Regulations. There has been included in this pamphlet, however, some matter that is closely related to the work of the district center, yet is scarcely appropriate to Station Regulations, as, for example, the paragraphs on rain gage and on river gages in general.A...

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve ...

Excerpt from Weather Forecasting From Synoptic ChartsIt has been a source of wonder on the part of many persons that an organization constituted for purely civil duties should have been placed in that department.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technol...

Excerpt from Bulletin of the Mount Weather Observatory, Vol. 5: Daily Changes in Temperature Up to 4, 000 MetersIn previous papers in this bulletin the writer has discussed the course of the temperature in the lower layers Of the atmosphere revealed by means of synchronous automatic registers placed at summit and base stations. The last paper of the series appeared in this bulletin, Vol. IV, pages 310 - 341. It dealt with the temperature varia...

Excerpt from By Order of the Prophet a Tale of UtahIn the fertile valley of Utah, lying in the heart of the Rockies, there is material for a score of books. Some day its full history shall have been written, and with its writing must come a revelation of con ditions that have been well concealed during the three quarters of a century, in which Mormonism has been developing.This book deals with but one phase of that life - it is true in every e...

Excerpt from Rainfall of the United States: With Annual, Seasonal, and Other ChartsIt is quite probable that rain falls in the United States at one point or another every day of the year. On very rare occasions the observers of the Weather Bureau report no precipitation at a given hour, but it should be remembered that their range of vision can cover at the utmost less than one-hundredth part of the whole area.The theories of rainfall given in...

Excerpt from Calculus and Probability: For Actuarial StudentsActuarial science is essentially practical in that, whilst it is based on the processes of pure mathematics, the object of the worker must be to produce a numerical result.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses sta...

Excerpt from Recent Practice in the Erection of Lightning ConductorsSo it is exactly with the store of energy beneath an electrified cloud or be tween one cloud and another. A lightning conductor of perfect conductivity, it struck, would deal with the energy in far too rapid and sudden a manner, and the result would be equivalent to an explosion. A conductor of moderately high resistance, such as an iron wire, would get rid of it in a slower a...

Excerpt from Weather Forecasting in the United StatesManual of Weather Forecasting in the United States. Rules for Forecasting the Weather in the United States.It is recognized that at the present time even the best forecasting rests upon a more or less empirical basis, nevertheless it seems proper to bring together, in the publication contemplated, a comprehensive presentation of the knowledge and experience of the best forecasters of the Wea...

Excerpt from The Floods of 1913 in the Rivers of the Ohio and Lower Mississippi Valleys: Bulletin ZIn 1899 a chain of cable reporting stations was established along the margin of the hurricane region by the Chief of the United States Weather Bureau, and all Well developed storms occur ring Within the area have since been carefully reported and charted from day to day. The material thus collected offers a most favorable opportunity for an addit...

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Excerpt from Recent Practice in the Erection of Lightning ConductorsSo it is exactly with the store of energy beneath an electrified cloud or be tween one cloud and another. A lightning conductor of perfect conductivity, it struck, would deal with the energy in far too rapid and sudden a manner, and the result would be equivalent to an explosion. A conductor of moderately high resistance, such as an iron wire, would get rid of it in a slower a...

Excerpt from Weather Forecasting From Synoptic ChartsIt has been a source of wonder on the part of many persons that an organization constituted for purely civil duties should have been placed in that department.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technol...

Excerpt from Weather Forecasting in the United States The board desires to acknowledge its indebtedness to Prof. Charles F. Marvin, whose unfailing support has made the work possible, to Prof. William J. Humphreys, who contributed the chapter on the General circulation of the atmosphere, to the district and the local forecasters who contributed essays, and to Mr. Edward C. Easton for the excision of many awkward English constructions. About ...