| title | creator | language | description | tableOfContents | contributor | subject | created |
| The Justice and Necessity of Taxing the American Colonies, Demonstrated
Together with a Vindication of the Authority of Parliament | Unknown | en | | | | | 2010-05-20 |
| Thoughts on the Necessity of Improving the Condition of the Slaves in the British Colonies
With a View to Their Ultimate Emancipation; and on the Practicability, the Safety, and the Advantages of the Latter Measure. | Clarkson, Thomas, 1760-1846 | en | | | | | 2003-12-01 |
| What Necessity Knows | Dougall, Lily, 1858-1923 | en | | | | | 2005-07-30 |
| The Beautiful Necessity
Seven Essays on Theosophy and Architecture | Bragdon, Claude Fayette, 1866-1946 | en | | The art of architecture -- Unity and polarity -- Changeless change -- The bodily temple -- Latent geometry -- The arithmetic of beauty -- Frozen music -- Conclusion. | | Architecture; Theosophy | 2004-06-01 |
| The Necessity of Atheism | Brooks, David Marshall, 1902- | en | | | | | 2007-01-02 |
| 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 |