The New Era


Book Description




Elements of Astronomy


Book Description




A New Treatise on the Use of the Globes, and Practical Astronomy; Or a Comprehensive View of the System of the World. In Four Parts. ... The Whole Serving as an Introduction to the Higher Astronomy and Natural Philosophy, is Illustrated with a Variety of Important Notes, Useful Remarks, &c. and Each Problem with Several Examples. The Necessary Astronomical Instruments are Pointed Out, and the Most Useful Tables are Inserted in the Work. Designed for the Instruction of Youth, and Particularly Adapted to the United States. By J. Wallace, ..


Book Description







Elements of Zoology


Book Description