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. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. | |
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 |