Correspondence with the London Inland Telegraphs office regarding registration of a dedicated telegraph address for LEO Computers Ltd. Comprises:
- Form letter from London Inland Telegraphs to Lyons, advising their requested telegraphic address could not be registered because it was shorter than four letters (presumably they had tried to register 'LEO'), 15th Aug 1962; 
- Internal Lyons memo to M.A. Holmyard from H. Waterman (Communications), asking them to think of a new telegraphic address for LEO Computers. A handwritten note from Michael Holmyard says he consulted Ernest Kaye, 21st Aug 1962; 
- Internal Lyons memo to M.A. Holmyard from Ernest Kaye, saying T.R. Thompson had agreed to Holmyard's suggestion of 'LEOTRONIC' as the new telegraphic address for LEO Computers, 23rd Aug 1962; 
- - Internal Lyons memo from M.A. Holmyard to H. Waterman (Communications) saying LEOTRONIC should be applied for as the new telegraphic address, 24th Aug 1962;
- Copy of completed form for registration of Abbreviated Address for Telegrams, attempting to register 'LEOTRONIC LONDON', 24th Aug 1962; 
- Form letter from London Inland Telegraphs to Lyons, rejecting the suggested address (LEOTRONIC LONDON) because of close similarity to one already registered, 29th Aug 1962; 
- Internal Lyons memo to M.A. Holmyard from Ernest Kaye, suggesting 'COMPUTERS LONDON', 19th Sep 1962;
- Copy letter from RS, Assistant Secretary, LEO Computers, to The Principal Superintendent, Telegraphs, asking if COMPUTERS/London would be a viable telegraphic address for LEO Computers, 21st Sep 1962;
- Internal Lyons memo from Ernest Kaye (LEO Computers at Minerva Rd) to M.A. Holmyard (Secretary's Office) re: visit from Western Union representative, 21st Sep 1962; 
- Copy letter from M.A. Holmyard to The Principal Superintendent, Telegraphs, asking for a response to their request to register 'COMPUTERS', 19th Oct 1962. A handwritten note from Michael Holmyard says there was a phone call in response, to the effect that another new name was required and he had spoken to Ernest Kaye, 22nd Oct 1962; 
- Internal Lyons memo from Ernest Kaye (LEO Computers at Minerva Rd) to M.A. Holmyard (Secretary's Office) suggesting LEOMATIC, 22nd Nov 1962; 
- Copy letter from M.A. Holmyard (Secretary, LEO Computers), to The Principal Superintendent, Telegraphs, asking if LEOMATIC would be viable, 23rd Nov 1962; 
- Form letter from London Inland Telegraphs to Lyons, rejecting the suggested telegraphic address (LEOMATIC) because of close similarity to one already registered, 26th Nov 1962; 
- Internal Lyons memo to Ernest Kaye from M.A. Holmyard  re: rejection of 'LEOMATIC', and asking for further suggestions, 27th Nov 1962; 
- Note of a telephone message for M.A. Holmyard from Miss Williams of the Central Telegraph, wishing to discuss telegraphic addresses. Michael Holmyard has written two further suggestions on the note: 'LEONINE, LEOCOMP', 29th Nov 1962;
- Copy letter from M.A. Holmyard (Secretary, LEO Computers), to The Principal Superintendent, Telegraphs, asking them to reconsider rejection of  LEOMATIC as the name is trademarked to LEO Computers and it therefore shouldn't be too similar to any other registered name, 27th Nov 1962; 
- Internal Lyons memo to Ernest Kaye from M.A. Holmyard re: suggestion of LEONINE or LEOCOMP, 30th Nov 1962; 
- Internal Lyons memo from Ernest Kaye to Mr Iggulden  re: suggestions LEOLEC, LEOCOMP, COMPLEO,CLEO, 10th Dec 1962.  Handwritten note from M.A. Holmyard states Mr Waterman is now enquiring about 'LEONINE', 11th Jan 1963; 
- Form letter from London Inland Telegraphs to LEO Computers Ltd, confirming LEONINE as the new telegraphic address for LEO Computers, 11th Jan 1963.
- Internal Lyons memo from Ernest Kaye to all LEO managers, advising them that the new telegraphic address - LEONINE - had been accepted and should now be used, 15th Jan 1963. M.A. Holmyard has added a manuscript note to the effect that he called Ernest Kaye's secretary and said in fact the new address should not be used until 'we let him know', 17th Jan 1963; 
- Form letter from London Inland Telegraphs to LEO Computers Ltd, confirming the new telegraphic address for LEO Computers, LEONINE, was now registered and available for use, 22nd Jan 1963.

Provenance :
Collected by Peter Bird as part of his research for his book LEO - The First Business Computer (1994).