1920s multimeter 3738-4



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English: 1920s pocket multimeter. 33 ohms per volt, moving iron mechanism, no zero adj, one current and 2 voltage scales.

I release this picture into the public domain. You may also use this picture under the terms of GNUFDL 1.2 if you wish.

nb this image is intended for the wikipedia Multimeter article, but I had a problem getting it to display there.
Date 5 May 2010
(6 May 2010(2010-05-06) (original upload date))
Source Transferred from en.wikipedia; transferred to Commons by User:Sreejithk2000 using CommonsHelper.
(Original text : own photo)
Author me. Original uploader was Tabby at en.wikipedia
(Reusing this file)

Released under the GNU Free Documentation License.


GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

Original upload log

The original description page is/was here. All following user names refer to en.wikipedia.

  • 2010-05-06 08:33 Tabby 916×1424× (366417 bytes) {{Information |Description = 1920s pocket multimeter |Source = own photo |Date = 5 May 2010 |Author = |other_versions = }} I release this picture into the public domain. You may also use this picture under the terms of

GNU Free Documentation License


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EXIF data:
File name 1920s_multimeter_3738-4.jpg
Size, Mbytes 0.357829101562
Mime type image/jpeg
Camera manufacturer BenQ
Camera model C640
Orientation of image 1
Image resolution in width direction 72
Image resolution in height direction 72
Unit of X and Y resolution 2
Exposure time 10/600 sec (0.0166666666667)
F number f / 5.2
Exposure program 2
ISO speed rating 200
Compressed bits per pixel 2.26638903237
Exif version 0220
Lens focal length 18.6 mm
Date and time original image was generated 2009:07:27 18:07:13
Date and time image was made digital data 2009:07:27 18:07:13
Meaning of each component 
Shutter speed 5.907
Aperture 4.756
Exposure bias -1
Maximum lens aperture 2.97
Metering mode 2
Light source 4
Supported Flashpix version 0100
Color space information 1
Exif image width 916
Exif image length 1424
InteroperabilityOffset 3744
Sensing method 2
Scene type 
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Interoperability index R98
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Software used GIMP 2.6.6
Copyright holder Copyright 2007
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