Home > LEO Computers > Lyons Electronic Office (LEO) Archive > CMLEO/PB - Peter Bird Collection > CMLEO/PB/CS LEO Compu ... ny Secretary's Papers > 62459 Correspondence ... imitada, Jan-Feb 1959

62459 Correspondence with M.A. Horta Severino, Roiz Limitada, Jan-Feb 1959

Material relating to Roiz Limitada, a Portuguese company specialising in photographic equipment, who contacted LEO Computers in 1959 offering to represent LEO in Portugal.  


  • Letter from M.A. Horta Severino (Director, Roiz Limitada) to LEO Computers offering to act as broker of supply of scientific equipment to Portugal, 10th Jan 1959;
  • Follow up letter from  M.A. Horta Severino (Director, Roiz Limitada), 20th Jan 1959;
  • Roiz Limitada Agency Report: Internal LEO Computers report on Roiz Limitada, suppliers of photographic equipment, 2nd Feb 1959;
  • TS carbon copy letter from T.R. Thompson (LEO Computers) to M.A. Horta Severino (Rois Limitada) sending particulars of the LEO computer available for commercial procurement, 3 Feb 1959.

Date : 10th January 1959 to 3rd February 1959

Physical Description : 4 items (6 pages), paper; typescript

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

Archive References : CMLEO/PB/CS/19590110 , PJB/2/7/023-024,046-049 , DCMLEO20201028023-024,046-049

This exhibit has a reference ID of CH62459. Please quote this reference ID in any communication with the Centre for Computing History.
Article: 62459  Correspondence with M.A. Horta Severino, Roiz Limitada, Jan-Feb 1959

This document has been scanned and is available to view online.
Roiz Limitada and LEO Computers Ltd copyright
File Size: 799.02 KB

Help support the museum by buying from the museum shop

View all items

Founding Sponsors
redgate Google ARM Real VNC Microsoft Research
Heritage Lottery Funded
Heritage Lottery Fund
Accredited Museum