| RefNo | RR/67/141 | 
| Level | Item | 
| Title | Letter from the Wireless Telegraphy Board, on a paper 'Short period fluctuations in the characteristics of wireless echoes from the ionosphere' by Thomas Lydwell Eckersley and F T Farmer to J D Griffith Davies, Assistant Secretary of the Royal Society and reply | 
| Date | 28 August 1941 | 
| Description | The Stationery Office are still unable to obtain a copy of the paper. Requests a direct copy with an invoice. 
 The Royal Society replies with a copy of the paper. The paper is confidential, so he would be obliged if its receipt was acknowledged.
 
 [Published in Proceedings of the Royal Society A, 1945].
 | 
| Extent | 2p | 
| Format | Typescript | 
| PhysicalDescription | Two letters on paper | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | DOI: 10.1098/rspa.1945.0017 | 
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Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8210 | Eckersley; Thomas Lydwell (1886 - 1959); theoretical physicist and engineer | 1886 - 1959 |