File:NPTM Photothon - mechanical calculator - Resulta BS9.jpg
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Български: Макет на механична сметачна машина Resulta BS9, експонат на Националния политехнически музей, София
English: Model of a mechanical calculator Resulta BS9, exhibit of the National Polytechnic Museum, Sofia, Bulgaria |
| Date | |
| Source | Own work |
| Author | Vassia Atanassova - Spiritia |
  Български: Тази снимка е заснета по време на фотомаратона на 11 март 2017 г., организиран от Потребителска група „Български уикимедианци“ в Националния политехнически музей – София, България.
English: This photo was taken during the photothon on 11 March 2017, organized by the Wikimedians of Bulgaria User Group in the National Polytechnic Museum in Sofia, Bulgaria. |
National Polytechnical Museum
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| Native name | Национален политехнически музей | ||
| Parent institution | Ministry of Culture of Bulgaria  | ||
| Location | |||
| Coordinates | 42° 42′ 14″ N, 23° 18′ 43″ E   | ||
| Established | 13 May 1957 | ||
| Website | www.polytechnicmuseum.org | ||
| Authority file | |||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:48, 16 March 2017 | | 3,440 × 3,816 (1.97 MB) | Spiritia (talk | contribs) | User created page with UploadWizard |
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