File:JoWo ink feed & housing.jpg
![File:JoWo ink feed & housing.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/a0/JoWo_ink_feed_%26_housing.jpg/800px-JoWo_ink_feed_%26_housing.jpg?20170430153211)
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Summary
[edit]DescriptionJoWo ink feed & housing.jpg |
English: JoWo #6 ink feed in the foreground and its housing in the background. The finned structure at the rear half of the ink feed is intended for buffering fountain pen ink. Buffering is the capacity to catch and temporary hold an overflow of ink caused by other conditions than writing towards the nib. When a fountain pen nib receives such an overflow it will result in ink blobbing or dripping also know as burping.
The business end of a fountain pen nib unit consists of three parts - the nib housing, the ink feed and the nib itself. It is usual that the whole assembly is mounted inside a casing called the nib or grip section, via a corresponding thread on the housing. Nibs come in a variety of sizes, the most popular ones being size 5 (or type 5, or #5) and size 6 (or type 6, or #6). They are so called because they are designed fit around an ink feed which is 5 mm or 6 mm in diameter respectively. |
Date | |
Source | Own work |
Author | Francis Flinch |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:32, 30 April 2017 | ![]() | 2,613 × 1,891 (1.93 MB) | Francis Flinch (talk | contribs) | User created page with UploadWizard |
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Metadata
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Camera manufacturer | Panasonic |
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Camera model | DMC-LS60 |
Exposure time | 1/40 sec (0.025) |
F-number | f/2.8 |
ISO speed rating | 100 |
Date and time of data generation | 11:04, 30 April 2017 |
Lens focal length | 5.8 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 7.0 Windows |
File change date and time | 17:11, 30 April 2017 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 11:04, 30 April 2017 |
Meaning of each component |
|
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 35 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Supported Flashpix version | 1 |
Image width | 2,613 px |
Image height | 1,891 px |
Date metadata was last modified | 19:11, 30 April 2017 |