Reduction of Twenty Years' Photographic Records of the Barometer and Dry-Bulb
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: Forgotten Books, London, United KingdomForgotten Books
AbeBooks seller since June 2, 2021
Condition: New
£ 15.00
Quantity: Over 20 available
Add to basketItem description from seller
Print on Demand. This book presents an overview of temperature and barometric research from the Royal Observatory in Greenwich. The book is comprised of three main sections: the first contains tables of photographic records of the barometer for the years 1854 to 1873; the second contains tables of photographic records of the dry-bulb and wet-bulb thermometers for the years 1849 to 1868; and the third contains tables of observations of thermometers that were sunk to various depths in the ground for the years 1847 to 1873. By carefully examining the data in each of these sections, the author is able to identify patterns of temperature and pressure change over time. This book would be of particular interest to those interested in meteorology and climatology, as well as researchers of similar data. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book.…
Seller Inventory # 9780366093045_0
- Title
- Reduction of Twenty Years' Photographic Records of the Barometer and Dry-Bulb
- Author
- George Biddell Airy
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Book Type
- print-on-demand item
- Binding
- Paperback
- Language
- English
- ISBN 10
- 0366093045
- ISBN 13
- 9780366093045
- Seller catalogs
- Astronomy
The cylinder on which the record was originally made is of glass, 115 inches high in its cylindrical part, and 145 inches in circumference, having hemispherical end (similar to those used as shades or protectors to clocks, works Of art, The cylinder is covered internally with a black pigment, and stopped at the Open end by insertion in a metallic cap. The cap has no pivot, but there is a perforation through its center, which, when the cylinder is mounted, is fitted upon a vertical spindle projecting upward from the center of a horizontal circular brass plate, which sustains the weight Of the vertical cylinder and turns horizontally, being supported by three antifriction wheels (each in a vertical plane) carried by the fixed frame.
The glass cylinder was covered when in use by another cylinder slightly larger and having similar hemispherical end; its open end was fixed, by friction, on the rim Of the metallic cap to which the inner cylinder was attached, a collar of tape being inserted between; a second collar was also placed between the cylinders near their hemispherical ends.
In the month Of April 1868 an accurately turned cylinder Of ebonite, 115 inches high and inches in circumference, was substituted for the glass cylinder used until that time. TO the ends Of the cylinder are fixed circular brass plates; the lower plate has a diameter somewhat greater than that of the cylinder, and is perforated at its center, to allow the cylinder to be fitted upon the vertical spindle projecting Upward from the center of the horizontal circular brass plate resting on antifriction wheels before mentioned.
The ebonite cylinder is covered when in use by Slipping over it a tube of glass, kept in position at its lower end by a narrow projecting collar of ebonite, and at its upper end by being fixed to a flat plate of brass having a central aperture, which is fitted to a small projection on the flat top Of the ebonite cylinder.
Uniform rotatory motion is given to the horizontal brass plate resting on anti friction wheels and supporting the cylinder, as before described, by means of a strong chronometer movement. The center of the chronometer is vertically below the axis of the rotating cylinder. An arm revolves on the face Of the chronometer in the same manner as the ordinary hour hand, and a fork at the end of the arm takes hold of a winch fixed to the horizontal brass plate that sustains the cylinder.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
"Synopsis" may belong to another edition of this title.
Forgotten Books
London, United Kingdom
AbeBooks seller since June 2, 2021
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Forgotten Books’ Classic Reprint Series utilizes the latest technology to regenerate facsimiles of historically important writings. Careful attention has been made to accurately preserve the original format of each page whilst digitally enhancing the quality of the aged text.
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Forgotten Books publishes hundreds of thousands of rare and classic books.
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
This text has been digitally restored from a historical edition. Some errors may persist, however we consider it worth publishing due to the work's historical value.
The digital edition of all books may be viewed before purchase if you request a sample.
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