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tIiRONOMETERS.-lh subscriber respectful V informs Captains and Masters oi Vessels, tha he is prepared attend 10 repairing, regulating an asceriainng the rate of CHkoNOMETERS. As he is fully aware of the importance the Navigator, of knowing the exact rate of his 1ime-keepe the observations for time will be made with good nsu- ment and by careful observer qualified by constant practice and competent knowledge of this branch to ensure fnlly confidence in their accuracy.

 a. All