Reference numberNLB/61/154
Alternative reference numberNLB/61 p93
TitleCopy letter from Frederick Harrison, Assistant Secretary of the Royal Society; to Sidney F. Walker Esquire; 2 Richardson Avenue, Combe Down, Bath
Date25 May 1921
DescriptionInforms Mr. Sidney F. Walker that Sir William Crookes read a paper just before the war on 'Eye-preserving glass for spectacles'. Explains that, according to Crookes, the glass was to be such as would cut off the invisible rays at both ends of the spectrum, as well as heat radiation. Notes that the paper is obtainable at 1/6d from their offices.
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    Browse the records of some of our collections, which cover all branches of science and date from the 12th century onwards. These include the published works of Fellows of the Royal Society, personal papers of eminent scientists, letters and manuscripts sent to the Society or presented at meetings, and administrative records documenting the Society's activities since our foundation in 1660.

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