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OFFICIAL REPORT OF THE AS TRONOMER-ROYAL. "Sydney Observatory, February 26th, 1880. Several of the rate curves respond to the change In the barometer in a way that shows the isochronal properties of their balance springs are not quite perfect. Looking down the curves, It becomes at once evident that Watch No. S, which is No. 670,068, second grade, ol the American Waltham Watch Company, is remarkably froo from these defects, and presents the best rate of all tho watches tested. Amongst the cheaper watches tested, No. 6, which is No. 1,221,336 of tho American Waltham Watch Company, is worthy of notice; it is a watch of tho sixth grade, yot its performance has boon bettor than that of many very oxpensivo and othorwiso first-class watches tosted. Such a watch speaks volumes in favour of the system under which it was made, and Is the best comment upon tho accuracy of llio machines that produced it. H. C. Russell, 8.A.. K.R.A.S., Astronomer ■ Royal, Sydney Observatory.V lAJJYT.J. <f. «.sv., . Ah* '"O. ?

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https://paperspast.natlib.govt.nz/newspapers/AS18840712.2.40.1

Bibliographic details

Auckland Star, Volume XXVI, Issue 4419, 12 July 1884, Page 3

Word Count
169

Page 3 Advertisements Column 1 Auckland Star, Volume XXVI, Issue 4419, 12 July 1884, Page 3

Page 3 Advertisements Column 1 Auckland Star, Volume XXVI, Issue 4419, 12 July 1884, Page 3