Reference numberNLB/72/140
Alternative reference numberNLB/72 p72
TitleCopy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs Adam Hilger Ltd.; Rochester Place, N.W.1.
Date17 April 1929
DescriptionIn reply to Messrs Adam Hilger's offer of certain exhibits for the May Soiree, accepts the following:
1. Dr Thibaud's design of X-ray spectrograph for the soft X-ray
2. A very large quartz prism
3. A reflection echelon constructed of British made fused silica.
Discusses the fact that the Soiree Committee would have been glad to see Mr Barratt's apparatus in operation, but it is feared the spark would intefere with a radio exhibit already accepted.
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