Copy letter from Herbert Rix, to Lord Rayleigh [John William Strutt] Rix finds the catalougers are almost at a standstill for work and that it will be necessary to hold a Catalogue Committee next Thursday. Dr Foster has, therefore, written to Rix to defer the interim Committee of Papers and summon a Catalogue Committee instead. Encloses the copy of Dr Sprengel's statement and the original [not attached]. 21 November 1892