File:Test rig for naval mines, 21 March 1834, St Petersburg.jpg
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[edit]DescriptionTest rig for naval mines, 21 March 1834, St Petersburg.jpg |
English: Test rig for naval mines designed by Karl Schilder and Pavel Schilling. As held in St Petersburg on March 21, 1834. Legend: A - wooden target hut filled with ice blocks B, placed on 1 archin thick ice D, with layers of logs and ice C in between. The whole stack imitates the strength of a wooden frigate of the period. Sea bottom E is 13 feet below ice D. F and G are test charges of 80 and 120 pounds, one in a steel can and another in a wooden barrel, fired with Schilling's electric fuzes H. |
Date | |
Source | Yarotsky, A.V. (1963). Павел Львович Шиллинг 1786-1837 [Pavel Lvovich Schilling] (2nd ed.). Izd. AN SSSR. The original is credited to Karl Schilder's report of 1834. |
Author | Karl Ludwig von Schilder (d. 1854) |
Public domainPublic domainfalsefalse |
This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:01, 31 October 2020 | 2,100 × 1,795 (1.08 MB) | Retired electrician (talk | contribs) | {{Information |Description={{en|Test rig for naval mines designed by Pavel Schilling and Karl Schilder. As held in St Petersburg on March 21, 1833. Legend: A - wooden target hut filled with ice blocks B, placed on 1 archin thick ice D, with layers of logs and ice C in between. Bottom E is 13 feet below ice D. F and G are test charges of 80 and 120 pounds, fired with electric fuzes H. }} |Source=Yarotsky, A.V. (1963). Павел Львович Шиллинг 1786-1837 [Pavel Lvovich Schilling] (2nd ed.). Izd. AN... |
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Camera manufacturer | Canon |
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Camera model | Canon EOS REBEL SL1 |
Exposure time | 1/1,250 sec (0.0008) |
F-number | f/4 |
ISO speed rating | 800 |
Date and time of data generation | 01:55, 31 October 2020 |
Lens focal length | 40 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | DxO PhotoLab 2.1 |
File change date and time | 01:55, 31 October 2020 |
Exposure Program | Aperture priority |
Exif version | 2.3 |
Date and time of digitizing | 01:55, 31 October 2020 |
Meaning of each component |
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APEX shutter speed | 10.375 |
APEX aperture | 4 |
APEX exposure bias | −0.33333333333333 |
Subject distance | 0.52 meters |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,798.6577181208 |
Focal plane Y resolution | 5,788.9447236181 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
GPS tag version | 0.0.3.2 |
Rating (out of 5) | 0 |