Rated: 5 times Rate It
Author: Archibald Williams
Containing interesting descriptions in non-technical language of wireless telegraphy, liquid air, modern artillery, subs, torpedoes, airships and much more.
This is a most unusual book in that it appeals to my enquiring mind on mechanics and how things work. It is (like most 19th century) very detailed and full of information, even if many of the items are now defunct.
A reference guide to research techniques used in modern chemistry, material science and nano science.
A 61 page reference by the National Institute for Occupational Safety and Health (NIOSH) Office of Mine Safety and Health Research (OMSHR) evaluating the effe...
This document is based on a study of large scale properties of the universe as a whole. It aims to use the scientific method to understand the origin, evolut...
This document introduces the concept of plate tectonics and complements the visual and written information. It highlights some of the people and discoveries ...