File:2018 Fort De Soto - 12-inch Steel Coastal Defense Mortars.jpg
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:35, 25 May 2018 |  | 4,429 × 3,456 (3.78 MB) | Beyond My Ken | == {{int:filedesc}} == {{Information |Description= {{en|1= Two of the 12-inch steel coastal defense mortars of in Pit "A" of Battery Laidley at Fort De Soto Park. There were originally 8 of these guns, 4 in each pit; these are the two that remain in Pit "A". The M 1890-MI mortars had a maximum range of 6.8 miles at 45-degree elevation and required a crew of 12 to manually load and aim them. Sightings were related to the two "data booths", from which the crew read the necessary elevations an... |
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