403 Sydney Observatory 26 May 1871 Dear Sir The Sydney Observatory is in no way responsible for the altitudes of different places given to the Australian Almanac. Should you consider it necessary??
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336-7 Sydney Observatory 23 March 1871 Sir In reference to the enclosed letter 71/1900 I have the honor to report as follows: In February last our?? surveyor Dearing wrote to me?? for certain information about the Magnetic variation at Sydney, and asked: “Is the variation moving westerly now”?
131-132 Janry 29th RJ Campbell Esqre Licensed Surveyor Dear Sir Your letter of 17th duly received I am much obliged for the promise of observations. which will render the record of that district more complete although we have now rain records all round Alectown.