File:Beckman Helipot potentiometer SA1400A 2007.075.002.jpg
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Beckman_Helipot_potentiometer_SA1400A_2007.075.002.jpg (750 × 453 pixels, file size: 247 KB, MIME type: image/jpeg)
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Beckman Helipot potentiometer SA1400A ( ) | |||||||||||||||||||||
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Photographer |
Staff photographer |
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Title |
Beckman Helipot potentiometer SA1400A |
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Description |
Beckman Helipot Potentiometer Model SA1400A Black finished cylindrical casing with three copper electrodes in a line next to product inscription; nickel knob is raised above the cylinder; outer dial goes from 0-15 (but only three digits are visible through its viewing slit); outer dial value changes when inner dial (0-100) is manually rotated 360 degrees; knob handle is black plastic. Made by Helipot Division of Beckman Instruments, Inc., Fullerton, California, United States. |
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Date | 2007 | ||||||||||||||||||||
Collection |
institution QS:P195,Q5090408 |
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Accession number |
2007.075.002 |
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Credit line | Science History Institute. | ||||||||||||||||||||
Notes | Image downloaded with permission from the Science History Institute, as part of the Wikipedian in Residence initiative. | ||||||||||||||||||||
Source | https://digital.sciencehistory.org/works/nc580n05b | ||||||||||||||||||||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Attribution: Science History Institute
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Items portrayed in this file
depicts
image/jpeg
a90f792b03598e65962cae7f02f1525f4747a88b
252,912 byte
453 pixel
750 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:40, 3 April 2014 | 750 × 453 (247 KB) | wikimediacommons>Mary Mark Ockerbloom | Rotate right so that text is easier to read. |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot S30 |
Exposure time | 1/8 sec (0.125) |
F Number | f/2.8 |
Date and time of data generation | 15:19, 24 April 2007 |
Lens focal length | 7.09375 mm |
Width | 453 px |
Height | 750 px |
Bits per component |
|
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 150 dpi |
Vertical resolution | 150 dpi |
Software used | Adobe Photoshop CS5.1 Macintosh |
File change date and time | 11:38, 3 April 2014 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 15:19, 24 April 2007 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 3 |
APEX aperture | 2.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.9708557128906 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
Focal plane X resolution | 7,366.9064748201 |
Focal plane Y resolution | 7,349.2822966507 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Date metadata was last modified | 07:38, 3 April 2014 |
Unique ID of original document | adobe:docid:photoshop:cd52bf37-f29c-11db-828b-c229983c9c42 |
Copyright status | Copyright status not set |
IIM version | 14,144 |