Nature: A Weekly Illustrated Journal of Science. E-book. Formato PDF Norman Lockyer   -  Forgotten Books, 2017  - 

With upwards of 400 accurate Engravings on Wood, executed expressly for the Work, and a Series of exquisite Full Page Plates, printed in Colours.

The Chemistry of the Sun. E-book. Formato PDF Norman Lockyer   -  Forgotten Books, 2017  - 

We do not know that any one of the bodies denominated elementary is absolutely indecomposable. — dalton. It is conceivable that the various kinds of matters, now recognised in different elementary substances, may possess one and the same ultimate or atomic molecule existing in different conditions Of movement. The essential unity of matter is an hypothesis in harmony with the equal action of gravity Upon all bodies.

Stonehenge: And Other British Monuments, Astronomically Considered. E-book. Formato PDF Norman Lockyer   -  Forgotten Books, 2017  - 

In continuation of my work on the astronomical uses of the Egyptian Temples, I have from time to time, when leisure has permitted, given attention to some of the stone circles and other stone monuments erected, as I believed, for similar uses in this country. One reason for doing so was that in consequence of the supineness of successive Governments, and the neglect and wanton destruction by individuals, the British monuments are rapidly disappearing.Although, and indeed because, these inquiries are still incomplete, I now bring together some of the notes I have collected, as they may induce other inquirers to go on with the work. Some of the results already obtained have been communicated to the Royal Society, and others have appeared in articles published in Nature, but only a small percentage of the monuments available has so far been examined. Further observations are required in order that the hypothesis set forth in this book may be rejected or confirmed.In the observations made at Stonehenge referred to in Chapter VII.