# Mechanical-calculator-Brunsviga-15-01

- By: CEphoto, Uwe Aranas
- Date: 2015-04-08
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Mechanical-calculator-Brunsviga-15-01.jpg)
- Rights: [CC BY-SA 3.0](https://creativecommons.org/licenses/by-sa/3.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/e/e9/Mechanical-calculator-Brunsviga-15-01.jpg/1920px-Mechanical-calculator-Brunsviga-15-01.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

A Brunsviga 15 mechanical calculator with serial number 202550. The shrouds had been removed to reveal the internal mechanic. Produced by Brunsviga-Maschinenwerke Grimme, Natalis & Co. AG, Braunschweig between 1934 and 1947.