File:Svea-cykel prototyp 1892.jpeg
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Size of this preview: 699 × 599 pixels. Other resolutions: 280 × 240 pixels | 560 × 480 pixels | 896 × 768 pixels | 1,194 × 1,024 pixels | 2,389 × 2,048 pixels | 3,543 × 3,038 pixels.
Original file (3,543 × 3,038 pixels, file size: 6.03 MB, MIME type: image/jpeg)
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Summary
DescriptionSvea-cykel prototyp 1892.jpeg |
Svenska: Herrcykel av typ upp-och-nertrampare (till skillnad från rundtrampare). Upp-och-nedgående pedaler med kedjor till baknavet som är en s.k. rullspärr enl. Birger Ljungströms konstruktion, patenterad 1892. Rullspärren ger frihjulsfunktion. De fram-och-återgående kedjorna ger baknavet en roterande rörelse genom två excentriska "drivskivor". Fem tryckluftsreglerade växlar. På styret finns två gummiblåsor dolda under metallhöjle. Luften leds med slangarna till ytterliggare två gummiblåsor placerade på segmenten vid tramporna. Broms på bakhjulet genom att de båda tramporna trycks ned och påverkar en hävarm som trycker två roterande koniska bromsklotsar mot bakdäcket. Senare modell hade s.k. skedbroms mot bakdäcket. Framhjulsbroms med s.k. skedbroms mot framdäcket. Fälgar och skärmar av trä.
Tillbehör: Verktygsväska, signalklocka, skylt med polisens ordningsnr, 6808. Tillverkad som prototyp 1892 i serie från 1893 till ca. 1905 i obekant antal, uppskattningsvis 2000-3000 ex. Regnr. 6808 utfärdat av Stockholmspolisen 1897. |
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Date | 10 November 2009 (according to Exif data) | ||
Source | https://digitaltmuseum.se/021026326119/cykel | ||
Author | Anna Gerdén / Tekniska Museet | ||
Permission (Reusing this file) |
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Licensing
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Items portrayed in this file
depicts
10 November 2009
0.6 second
60 millimetre
100
image/jpeg
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:53, 21 August 2019 | 3,543 × 3,038 (6.03 MB) | commons>Geohakkeri | Re-upload from (more) original source. |
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Camera manufacturer | Canon |
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Camera model | Canon EOS 5D |
Exposure time | 3/5 sec (0.6) |
F Number | f/4 |
ISO speed rating | 100 |
Date and time of data generation | 09:39, 10 November 2009 |
Lens focal length | 60 mm |
Usage terms |
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Author | Photographer, Anna Gerdén |
Copyright holder |
|
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | FotoWare ColorFactory |
File change date and time | 10:41, 10 November 2009 |
Y and C positioning | 65535 |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 09:39, 10 November 2009 |
APEX shutter speed | 0.73696599825632 |
APEX aperture | 4 |
APEX exposure bias | 0.33333333333333 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Partial |
Flash | Flash did not fire, compulsory flash suppression |
Color space | Uncalibrated |
Focal plane X resolution | 3,086.925795053 |
Focal plane Y resolution | 3,091.2951167728 |
Focal plane resolution unit | inches |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
GPS time (atomic clock) | 00:00 |
Measurement precision | Excellent (0) |
GPS tag version | 2.2.0.0 |
Width | 3,543 px |
Height | 3,038 px |
Compression scheme | Uncompressed |
Pixel composition | RGB |
Number of components | 3 |
Custom image processing | Normal process |
Image width | 3,543 px |
Image height | 3,038 px |
Serial number of camera | 2831204660 |
Lens used | EF24-105mm f/4L IS USM |
Bits per component |
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Date metadata was last modified | 11:41, 10 November 2009 |
Rating (out of 5) | 0 |
Copyright status | Copyrighted |
Contact information | anna.gerden@tekniskamuseet.se
Museivägen 7, Box 27842 Stockholm, , 115 93 Sweden |
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