MELBOURNE OBSERVATORY to PROF. MARK W. HARRINGTON, SEATTLE
This On Her Majesty’s Service long cover with a lilac 2d stamp of Victoria was postmarked MELBOURNE/ 21.3.00/14 which partially obscured the CHIEF SECRETARY Frank Stamp of Victoria. The envelope is addressed to Professor Mark W. Harrington, University of Washington, Seattle, Washington U.S.A. and it was sent from the Melbourne Observatory on 21. 3. 1900. The reverse was not seen (Figure 1). A column in the ‘MONTHLY WEATHER REVIEW ‘