|Alternative reference number||NLB/6 p246|
|Title||Copy letter from Herbert Rix, to George Mathews Whipple, Kew Observatory, Richmond|
|Date||6 June 1892|
|Description||'Our letter-book shows that the official letter (signed by Dr. Foster) informing you that loan of the pendulum apparatus was authorised, was sent to you on the 25th. May last.|
Yours very truly,
Ass. Sec. R.S. [Assistant Secretary, Royal Society]'.