Ruler 4scales



This photo was viewed 0 times and was downloaded in full size 0 times.

This photo was liked 0 times

Please login in order to see the source link


English: Details of a transparent ruler with 4 scales : centimeters, 1/6, 1/8, 1/10 inches
Français : Détail de règle transparente avec 4 échelles : cm, 1/6, 1/8, 1/10 de pouces
Date ca. 1975(1975)
Source Own work
Author Tangopaso
Other versions

Ruler 4scales.jpg


PD-icon.svg This work has been released into the public domain by its author, Example at the [[Tangopaso:|]] project. This applies worldwide.

In case this is not legally possible:
Example grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Public Domain


Only registered users can post comments. Please login

EXIF data:
File name ruler_4scales.jpg
Size, bytes 583387
Mime type image/jpeg
Image input equipment manufacturer Canon
Image input equipment model Canon PowerShot G10
Orientation of image 1
Image resolution in width direction 180/1
Image resolution in height direction 180/1
Unit of X and Y resolution 2
Exposure time 1/8
F number 28/10
ISO speed rating 250
Compressed bits per pixel 2/1
Exif version 0221
Lens focal length 6100/1000
Date and time original image was generated 2010:01:11 20:29:11
Date and time image was made digital data 2010:01:11 20:29:11
Meaning of each component 
Shutter speed 96/32
Aperture 95/32
Exposure bias 0/3
Maximum lens aperture 95/32
Metering mode 5
User comments
Supported Flashpix version 0100
Exif image width 4350
Exif image length 464
InteroperabilityOffset 7436
Focal plane X resolution 4416000/292
Focal plane Y resolution 3312000/219
Focal plane resolution unit 2
Sensing method 2
Digital zoom ratio 4416/4416
Interoperability version 0100
Firmware version EG
Image number 1081135
OwnerName sion 1.00
Unique image ID 63954D0B8A0B4A49B2ADBD9B0FC2E6FF
Software used Microsoft Windows Photo Gallery 6.0.6001.18000
The images at Free-Photos.biz come mainly from Wikimedia Commons or from our own production. The photos are either in the public domain, or licensed under free linceses: Free-Photos.biz license, GPL, Creative Commons or Free-Art license. Some very few other photos where uploaded to Free-Photos.biz by our users and released into the public domain or into free usage under another free license (like GPL etc.)

All photos in average size can be saved by everyone without registration (by right-clicking) - and all photos can be downloaded in full-size and without the big watermark by members (by left-clicking) (registration and free membership required).

While the copyright and licensing information supplied for each photo is believed to be accurate, Free-Photos.biz does not provide any warranty regarding the copyright status or correctness of licensing terms. If you decide to reuse the images from Free-Photos.biz, you should verify the copyright status of each image just as you would when obtaining images from other sources.

The use of depictions of living or deceased persons may be restricted in some jurisdictions by laws regarding personality rights. Such images are exhibited at Free-Photos.biz as works of art that serve higher artistic interests.

christianity portal