Copy letter from Herbert Rix, to Dr Church Mr Bullar has asked permission on Dr Church's behalf for the use of some blocks to illustrate a paper on 'the origin of the respiratory sounds'. Blocks are never allowed out but electrotypes can be taken from them at Church's expense by leave of the Council. Rix will obtain permission at the next Council meeting. The blocks are not with Mr Collings the engraver. 10 November 1885