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Summary
DescriptionBenjamin Franklin's electrostatic generator, maker unknown, c. 1745 - DSC06559.JPG
Exhibit from the Benjamin Franklin collection in the Franklin Institute, Philadelphia, Pennsylvania, USA.
Date
Source
Self-photographed
Author
Daderot
Permission (Reusing this file)
Public domainPublic domainfalsefalse
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Licensing
Public domainPublic domainfalsefalse
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Captions
Add a one-line explanation of what this file represents
Items portrayed in this file
depicts
copyright status
copyrighted, dedicated to the public domain by copyright holder
copyright license
released into the public domain by the copyright holder
inception
20 October 2011
source of file
original creation by uploader
exposure time
0.25 second
f-number
3.5
focal length
4.25 millimetre
ISO speed
800
media type
image/jpeg
instance of
photograph
checksum
5222c91998bbbb8fb3c96d3ca6bb4f53b13eb5d3
determination method: SHA-1
data size
4,762,613 byte
height
4,320 pixel
width
3,240 pixel
File history
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Date/Time
Thumbnail
Dimensions
User
Comment
current
10:26, 25 October 2011
3,240 × 4,320 (4.54 MB)
Daderot
File usage
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