Report Upon the Determination of the Astronomical Co-ordinates of the Primary Stations at Cheyenne, Wyoming Territory, and Colorado Springs, Colorado Territory, Made During the Years 1872 and 1873

(10.) UNIFORM TABLES OF TIME-REDUCTIONS AT RECEIVING-STATION-Continued.

(10.) UNIFORM TABLES OF TIME-REDUCTIONS AT RECEIVING-STATION-Continued.

The following table shows the corrections and the rate of the chronometers used at Cheyenne and Salt Lake City:

(11.) GROUPING OF SERIES OF EXCHANGE-SIGNALS.

This table shows the result obtained for longitude each way each night and the mean of all the nights:

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