(animated stereo) Gilded age spelunkers (1866)
To animate the image scroll down to the first comment below or view original size.
Details and History
The Wikimedia Commons website offers a multitude of historical images with no restrictions on use. This 1866 E. & H.T. Anthony stereoview shows spelunkers beyond the 'Bridge of sighs' in Mammoth cave (Kentucky, USA). It is the longest cave system known.
Copyright Advisory
This item is indicated as being in the public domain on its Wikimedia page:
commons.wikimedia.org/wiki/File:Beyond_the_%22Bridge_of_S... .
This image is also available with bibliographic notes from the New York Public Library's Digital Library under the digital ID digitalgallery.nypl.org/nypldigital/id?G90F197_026F .
Technical trivia
Image manipulations and animated gif generation done with StereoPhotoMaker, a freeware program by Masuji Suto & David Sykes.
(animated stereo) Gilded age spelunkers (1866)
To animate the image scroll down to the first comment below or view original size.
Details and History
The Wikimedia Commons website offers a multitude of historical images with no restrictions on use. This 1866 E. & H.T. Anthony stereoview shows spelunkers beyond the 'Bridge of sighs' in Mammoth cave (Kentucky, USA). It is the longest cave system known.
Copyright Advisory
This item is indicated as being in the public domain on its Wikimedia page:
commons.wikimedia.org/wiki/File:Beyond_the_%22Bridge_of_S... .
This image is also available with bibliographic notes from the New York Public Library's Digital Library under the digital ID digitalgallery.nypl.org/nypldigital/id?G90F197_026F .
Technical trivia
Image manipulations and animated gif generation done with StereoPhotoMaker, a freeware program by Masuji Suto & David Sykes.