File:Pneumatic-Cannon-Otaniemi-1972.jpg
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Author |
Erkki Laitila / Helsingin Sanomat |
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Description |
Photograph of a pneumatic cannon at Helsinki University of Technology (Otaniemi), used to test air-raid shelters. |
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Date |
April 1972 date QS:P571,+1972-04-00T00:00:00Z/10 |
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Source | http://hs.mediadelivery.fi/img/1920/3759a0ca6f476bce794d60895ffe175e.jpg | ||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:48, 24 February 2023 | 1,920 × 1,237 (222 KB) | Mlang.Finn (talk | contribs) | {{Photograph |Description=Photograph of a pneumatic cannon at Helsinki University of Technology (Otaniemi), used to test air-raid shelters. |Source=http://hs.mediadelivery.fi/img/1920/3759a0ca6f476bce794d60895ffe175e.jpg |Date=April 1972 |Author=Erkki Laitila / Helsingin Sanomat |Permission={{PD-Finland50}} |other_versions= }} Category:Aalto University School of Science and Technology Category:Pneumatic tools Category:Scientific equipment Category:1972 in Finland [[Category:Es... |
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