# Rifling of a cannon (M75; 90mm; y.1891; Austro-Hungarian; exposed in Ljubljana, Slovenia)

- By: Petar Milošević
- Date: Taken on 3 November 2016, 14:53:34
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Rifling_of_a_cannon_(M75;_90mm;_y.1891;_Austro-Hungarian;_exposed_in_Ljubljana,_Slovenia).jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Rifling_of_a_cannon_%28M75%3B_90mm%3B_y.1891%3B_Austro-Hungarian%3B_exposed_in_Ljubljana%2C_Slovenia%29.jpg/1920px-Rifling_of_a_cannon_%28M75%3B_90mm%3B_y.1891%3B_Austro-Hungarian%3B_exposed_in_Ljubljana%2C_Slovenia%29.jpg
- Who can see it: Teens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Rifling of a M75 cannon (year 1891, Austro-Hungarian). Exposition of Ljubljana castle, Ljubljana, Slovenia. The photo was made by macro stacking of 43 pictures.