Copy letter from Herbert Rix, to General James Thomas Walker, Fellow of the Royal Society In addition to the box of slips which Walker has sent, Rix also notes that they want for Professor George Gore, a guard book with slips pasted in, which forms part of the Colonel Herschel bibliography. Rix would be obliged if this can be identified and sent, or alternatively, a messenger can be sent to collect the item from him. 26 March 1889