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RGO Archives/RGO 46 contains:
<-- See earlier
22 Letter from W.H. Steavenson
23 Messages from James Stokely
24 Letter from Harold Thomson
25 Letters from R.H. Tucker
26 Letter from H.H. Turner
27 Letters from R.L. Whitfield
28 Letter from H.E. Wood
29 Letter from Lloyd R. Wylie
30 Letter from Ismael Gajardo
31 Letter from Leon [Herrero]
32 Postcard from [Jan Wop]
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Papers of Leslie John Comrie

Title Letters from R.L. Whitfield
Reference RGO 46/27
Covering Dates 1942
Extent and Medium 8 pages
Content and context

Two letters from Reginald L. Whitfield, British Astronomical Association, undated [1942] and 29 September 1942, thanking Comrie for the gift of his 4-figure tables and discussing three methods for naked eye observation to determine latitude at sea: 1) the interval between sunrise and sunset; 2) the time taken for the Sun to rise or set; and 3) the time at which two stars are vertical to or horizontal to the horizon.

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