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Author | : Harold Jacoby |
Publisher | : Forgotten Books |
Total Pages | : 262 |
Release | : 2018-01-05 |
Genre | : Science |
ISBN | : 9780428373306 |
Excerpt from Practical Talks by an Astronomer The present volume has not been designed as a systematic treatise on astronomy. There are many excellent books of that kind, suitable for serious students as well as the general reader; but they are necessarily somewhat dry and un attractive, because they must aim at complete ness. Completeness means detail, and detail means dryness. 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.
Author | : Harold Jacoby |
Publisher | : Forgotten Books |
Total Pages | : 261 |
Release | : 2015-06-14 |
Genre | : Science |
ISBN | : 9781440061226 |
Excerpt from Practical Talks by an Astronomer The present volume has not been designed as a systematic treatise on astronomy. There are many excellent books of that kind, suitable for serious students as well as the general reader; but they are necessarily somewhat dry and unattractive, because they must aim at completeness. Completeness means detail, and detail means dryness. But the science of astronomy contains subjects that admit of detached treatment; and as many of these are precisely the ones of greatest general interest, it has seemed well to select several, and describe them in language free from technicalities. 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.
Author | : Harold Jacoby |
Publisher | : |
Total Pages | : 278 |
Release | : 1902 |
Genre | : Astronomy |
ISBN | : |
Author | : Harold Jacoby |
Publisher | : DigiCat |
Total Pages | : 96 |
Release | : 2022-06-02 |
Genre | : Fiction |
ISBN | : |
This is a concise work on several elements concerning the subject of astronomy. It's a perfect book for beginners in astronomy that introduces them to telescopes, planets, stars, skies, and celestial maps. The American astronomer and the author of this work, Harold Jacoby, described the topics in simple and easy-to-understand language. Jacoby made many observations of celestial occurrences such as lunar and solar eclipses. He was popular in Europe and America and was a member of many scientific groups. Contents include: Navigation at Sea The Pleiades The Pole-Star Nebulæ Temporary Stars Galileo The Planet of 1898 How to Make a Sun-Dial Photography in Astronomy Time Standards of the World Motions of the Earth's Pole Saturn's Rings The Heliometer Occultations Mounting Great Telescopes The Astronomer's Pole The Moon Hoax The Sun's Destination
Author | : Harold Jacoby |
Publisher | : |
Total Pages | : 92 |
Release | : 2017-08-16 |
Genre | : |
ISBN | : 9781974447046 |
Originally published in 1902, Practical Talks by an Astronomer is a narrative account of the author. It contains an interesting overview of Astronomy, written at the turn of the 20th century. It is composed of eighteen topics in two hundred and ten pages with actual photographs of the moon on the first quarter, Spiral nebula in constellation Leo, nebula in Andromeda, the Dumb-Bell nebula, star-field in constellation Monoceros, solar corona on a total eclipse, a forty-ich telescope in Yerkes observatory and the Yerkes observatory in the University of Chicago.
Author | : Frederick Hanley Seares |
Publisher | : |
Total Pages | : 148 |
Release | : 2016-10-22 |
Genre | : Science |
ISBN | : 9781334032066 |
Author | : George C. Comstock |
Publisher | : Forgotten Books |
Total Pages | : 60 |
Release | : 2017-10-17 |
Genre | : Science |
ISBN | : 9780266417149 |
Excerpt from Studies in Spherical and Practical Astronomy A method of reduction which is the same for both types of level, and which is in most cases more convenient than the above, is as follows: In the square array of numbers which constitute the observed readings of the level, take the diagonal differences. The mean of the two diagonal differences is the inclination of the line in half divisions of the level. That end of the line is the higher which is ad jacent to the greatest single reading. If the level readings have been correctly made the two diagonal differences will be the same, and the reduction thus serves as a check upon the accuracy of the record. Thus, from the readings given above, we see at a glance that in the first case 2 half divisions and the readings have been correctly made. In the second case z half divisions and there is a discrepancy of div. In the readings. 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.
Author | : Robert Woodhouse |
Publisher | : Forgotten Books |
Total Pages | : 458 |
Release | : 2017-11-21 |
Genre | : Science |
ISBN | : 9780331603125 |
Excerpt from Treatise Astronomy Theoretical and Practical, Vol. 1 Phenomena are Observed, and their quantities and laws ascertained, I have described, although not minutely, some of the principal instruments of an Observatory. 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.
Author | : H. N. Robinson |
Publisher | : Forgotten Books |
Total Pages | : 416 |
Release | : 2017-12-16 |
Genre | : Science |
ISBN | : 9780332972206 |
Excerpt from A Treatise on Astronomy: Descriptive, Physical and Practical, Designed for Schools, Colleges, and Private Students To give at once a. Clear explanation of the design and in tended character of this work, it is important to state that its author, in early life, imbibed quite a passion for astronomy, and, of course, he naturally sought the aid of books; but, in this field of research, he was really astonished to find how little substantial aid he could procure from that source, and not even to this day have his desires been gratified. Then, as now, books of great worth and high merit were to as found, but they did not meet the wants of a learner; the substantially good were too voluminous and mathematically abstruse to be much used by the humble pupil, and the less mathematical were too superficial and trifling to give satis faction to the real aspirant after astronomical knowledge. 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.
Author | : James Challis |
Publisher | : Forgotten Books |
Total Pages | : 460 |
Release | : 2018-03-19 |
Genre | : Science |
ISBN | : 9780364979921 |
Excerpt from Lectures on Practical Astronomy and Astronomical Instruments Elementary Treatise); and the process of taking observations with the Greenwich Reflex Zenith Tube. The treatment of these subjects has given to the work an extension much beyond what I at first contemplated, but at the same time its usefulness as an astronomical manual may be considered to be much increased by being thus made to exhibit with, a great degree of completeness the actual state of observational astronomy. 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.