| title | creator | language | description | tableOfContents | contributor | subject | created |
| Engineering Bulletin No 1: Boiler and Furnace Testing | Strohm, Rufus T. (Rufus Tracy), 1877- | en | | Title Page
Foreword
Boiler and Furnace Testing
Necessity for Testing Boilers
Weighing the Coal
Measuring the Feed Water
Temperature of Feed Water
Steam Pressure
Working up the Test
Boiler Horsepower or Capacity
Heating Surface
Cost of Evaporation
Table of Test Results
How to Use the Test Results
Table of Factors of Evaporation
Table of Factors of Evaporation—Concluded
Publications on the Utilization of Coal and Lignite
Publications Available for Free Distribution
Publications That May Be Obtained Only Through the Superintendent of Documents | | Government -- United States; Furnaces; Steam-boilers | 2006-12-20 |
| The Food of the Gods and How It Came to Earth | Wells, H. G. (Herbert George), 1866-1946 | en | | | | Giants -- Fiction; Food supply -- Fiction; Science fiction; Growth factors -- Fiction; Agriculture -- Experimentation -- Fiction | 2004-03-01 |
| Essays: Scientific, Political, & Speculative, Vol. I | Spencer, Herbert, 1820-1903 | en | | The development hypothesis -- Progress: its law and cause -- Transcendental physiology -- The nebular hypothesis -- Illogical geology -- Bain on the emotions and the will -- The social organism -- The origin of animal worship -- Morals and moral sentiments -- The comparative psychology of man -- Mr. Martineau on evolution -- The factors of organic evolution. | | Science; Political science; Philosophy | 2009-08-31 |
| Ways of Nature | Burroughs, John, 1837-1921 | en | | Ways of nature -- Bird-songs -- Nature with closed doors -- The wit of a duck -- Factors in animal life -- Animal communication -- Devious paths -- What do animals know? -- Do animals think and reflect? -- A pinch of salt -- The literary treatment of nature -- A beaver's reason -- Reading the book of nature -- Gathered by the way. | | Natural history -- Outdoor books; Animal behavior; Animal intelligence | 2009-10-13 |
| Evolution in Modern Thought | | en | | Darwin's predecessors, by J.A. Thomson -- The selection theory, by A. Weismann -- Heredity and variation in modern lights, by W. Bateson -- "The descent of man," by G. Schwalbe -- Charles Darwin as an anthropologist, by E. Haeckel -- Mental factors in evolution, by C.L. Morgan -- The influence of the conception of evolution on modern philosophy, by H. Höffding -- The influence of Darwin upon religious thought, by P.H. Waggett -- Darwinism and history, by J.B. Bury -- Darwinism and sociology, by C. Bouglé. | | | 2007-08-29 |