|Alternative reference number||NLB/6 p134|
|Title||Copy letter from Herbert Rix, to The Edison & Swan, Electric Light Company, Ponders End|
|Date||13 April 1892|
|Description||'The 22 lamps have arrived this morning, as advised in yours of April 12, and I am much obliged for the trouble you have taken.|
Asst Sec RS [Assistant Secretary, Royal Society]'.