Rediscovery in the cultural heritage collection of the ETH Zurich:

• a rare 160-year-old calculating machine of the Strasbourg watch maker Jean-Baptiste Schwilgué, the world's oldest surviving keyboard adder
• a 150-year-old stepped drum calculating machine by Charles Xavier Thomas of Colmar, the world's first successful mechanical calculator

Herbert Bruderer

In this issue (among others):

• Curiosities of historical office technology
• More information on the early Webb Adder
• Information on the Nuremberg IHFB meeting
• Special exhibit on "machines that write" in the Attendorn South Sauerland museum
• The fearsome IBAN

Peter Muckermann

In this issue (among others):

• Curiosities of historical office technology
• Discovery of two century-old logarithmic calculators in Zürich and Basel
• Demolition of the former Groma factory in Markersdorf
• Book review: From the Ledger to the Office

Peter Muckermann

In this issue (among others):

• Curiosities of historical office technology
• Take 2! Exhibit of typewriters by Kay Kostka
• Typewriter Comet no. 2
• Job ad for typists from India
• Treasures from the Archive of the Diocese of Passau
• Members’ swap meet in Pfäffikon

Peter Muckermann

The last table for a more precise classification of Walther calculating machines dates back to the year 1997 (Historische Bürowelt no. 49). After 16 years there are so many new findings that the table had to be renovated. A current overview is available > here <

Martin Reese (und viele Helfer)