News from the world of
typewriters, calculating machines
and office history

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News from the members areaThe bulletin board currently contains 7429 entries. The last topics were

   28.03.2024 Elliot Fisher Buchschreibaschine (updated)
   27.03.2024 Stoewer Elite - Walzenfrage (new)
   27.03.2024 WALTHER RKZ 10 abzugeben (updated)

The calculator encyclopedia currently contains 2272 entries. The latest are

   28.03.2024 Madas 16 LS / 20 LS, Hans W. Egli AG, Zürich (CH)
   28.03.2024 Madas 12 Portable electric (12 e), H.W.Egli, Zürich (CH)
   26.03.2024 Marchant EEG 9, Marchant Calculating Machine C.

The typewriter encyclopedia currently contains 1514 entries. The latest are

   28.03.2024 JAPY Mod. 808, Japy in Hermes-Lizenz
   28.03.2024 JAPY SM 490, Japy in Hermes-Lizenz
   28.03.2024 HERMES Ambassador (Vers. e), Hermes Precisa International S.A.

01.03.2024
Historische Bürowelt No. 135 / March 2024

This issue contains

  • 100 years of Walther calculating machines Part 1: The Pre-series models
  • My virtual water tank - The analog computer "The Analog Thing"
  • Material analysis of a typewriter type
  • ADLER model 16
  • History of the development of shorthand - Part 2: The most important German shorthand schools
  • The Arithmaurel, the prototype of a fascinating calculating machine
English translations of these articles can be found in the members area.

22.02.2024
New: HBw-Aktuell 02/2024

This issue contains:

  • Treasurers' report for the 2023 financial year
  • Andreas Mattes introduces himself
  • Alpad ribbon and coil catalog
  • High-Tech 1930
  • Showcase exhibition on computing technology in Braunschweig

05.02.2024
New: HBw-Aktuell 01/2024

This issue contains:

  • Interactive price lists on the IFHB website
  • Mechanical calculating machines in the Arithmeum
  • Special exhibition in the Arithmeum (until 05.05.2024)
  • The LANDIN rack and pinion adder, the original model of the RAPID
  • Adler Model 7: a hypothesis on naming
  • Technology world ENTER reopened
  • Addendum to Valufix - Interesting currency converter

03.01.2024
New: HBw-Aktuell 12/2023

This issue contains:

  • Beautiful stamp
  • Early Office Museum - a short review
  • Collectors' meeting in Essen
  • Fortuna Portable, built in 1931
  • Where can I find the serial number of the standard typewriters?
  • Lighters part 3

30.11.2023
Historische Bürowelt No. 134 / December 2023

This issue contains

  • My first typewriter: Olympia Simplex
  • Schooling Calculating Machines
  • History of the development of shorthand - Part 1: Shorthand in antiquity and modern times
  • The Muldivo trading company and Henri Emanuel Longini
  • Pütter and Schmitz: Biographical information and further patents - including typewriters
  • Tens’ carry in simple single-axis adding machines
English translations of these articles can be found in the members area.

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