BRUNSVIGA - Gehirn von Stahl. Rechenmaschinen aus Braunschweig

From July 8th to November 2nd 2008, the Braunschweigisches Landesmuseum held an exposition on Grimme, Natalis & Co, and their most famous product, the BRUNSVIGA calculators. They were the first industrially produced pinwheel calculators in Germany, and were also sold internationally, to help revolutionize the office world.

Since an exposition is always a temporary thing, and this particular one contained a lot of objects that were and are of lasting value to the community of collectors of mechanical calculators, I contacted the organiser of the exposition, Mrs. Jasmin Ramm-Ernst, with the question whether the museum would allow to post my pictures of the exposition on the website, as a kind of eternal virtual continuation of the expo. She countered my proposal with an even better one, and sent me a DVD with accompanying material and all the images and videos her husband Olaf Ernst had recorded at the exhibition, so that this part of the website can be a complete and true representation of the Brunsviga expo in the Braunschweigisches Landesmuseum.

I am convinced it will be of great value to those of you who never made it to Braunschweig. I wish to extend a sincere thank you to Jasmin Ramm-Ernst and Olaf Ernst for making the material out of which this website is built available, as well as to the Braunschweigisches Landesmuseum for authorising this virtualisation and translation of their exposition.

Catalogues (in German) in which the wall panels are depicted and selected objects from the exposition are described in more detail can still be ordered from the Braunschweigisches Landesmuseum for 5 EUR + postage, by going here, clicking on the button "Publikationen" and following the directions found there.

From here on, enter

Room 1

Room 2


Room 3


All the pictures in the rooms are clickable - click any picture for a detailed page on the content of that particular display cabinet. Click the wall plates for a translation of the text contained on them.





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