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Excerpt from A Popular Treatise on the Winds: Comprising the General Motions of the Atmosphere, Monsoons, Cyclones, Tornadoes, Waterspouts, Hail-Storms, EtcA thorough knowledge of the principles contained in the following work, it is thought, will be of great advantage to all who are desirous of understanding the observed phenomena and sequences of the weather, and of forming rules for weather prediction, and especially to the seaman on the oc...

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Excerpt from A Popular Treatise on the Winds: Comprising the General Motions of the Atmosphere, Monsoons, Cyclones, Tornadoes, Waterspouts, Hail-Storms, EtcA thorough knowledge of the principles contained in the following work, it is thought, will be of great advantage to all who are desirous of understanding the observed phenomena and sequences of the weather, and of forming rules for weather prediction, and especially to the seaman on the oc...

Excerpt from Annual Report of the Chief Signal Officer to the Secretary of War Arranged in the Form of a Text-Book Designed, for Use in the Signal Service School of Instruction at Fort, 1886, Vol. 2 of 2 But where much has been written upon any subject it must be admit ted that there is generally a considerable part which in the end is of little importance, however important it may have been at the time, as a step in the march of progress. Th...

Excerpt from Discussion of Tides in Boston Harbor This discussion has not been made from the original records of the observer, but from what are called the first reductions of the tide observations, in which are given the apparent times of the moon's meridian transit, and the apparent times and absolute heights of high and low water, and the lunitidal intervals, as obtained from the observer's record. These reductions, so far as I had any mea...