AB Addo (Aktiebolaget Addo) was a Swedish engineering company which manufactured office machines.[1] The company, based in Malmö, was founded in 1918. In 1966, it was incorporated into Facit, where it remained as a subsidiary until the early 1980s. Its products consisted mainly of adding machines, calculators, accounting machines, and data processing equipment.[2]

Addo-X Adding Machine

References edit

  1. ^ "Malmö museers e-skrifter" (PDF). skanesmoderna.se. Retrieved 29 March 2021.
  2. ^ "Kulturarv Malmö: Addo". malmo.se.