Image:Megalethoscope description.jpg

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Description

Description of Ponti's Megalethoscope
Source

Collection: Princeton University Library; own photograph
Date
Author
This media is lacking author information.
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Permission
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Public domain This image (or other media file) is in the public domain because its copyright has expired.

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File history

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Date/TimeDimensionsUserComment
current16:22, 13 June 20072,682×2,010 (2.06 MB)AndreasPraefcke ({{Information |Description=Description of Ponti's Megalethoscope |Source=Collection: Princeton University Library; own photograph |Date= |Author= |Permission= |other_versions= }} {{PD-old}} Category:Optical devices)
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