Category:Astronomical regulator by Sigmund Riefler (Harvard University)

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Media in category "Astronomical regulator by Sigmund Riefler (Harvard University)"

The following 2 files are in this category, out of 2 total.

Astronomical regulator No. 65 by Sigmund Riefler, Munich, 1902 - Putnam Gallery - Harvard University - DSC08025.jpg 3,648 × 5,472; 7.49 MB
Astronomical regulator No. 65 detail, by Sigmund Riefler, Munich, 1902 - Putnam Gallery - Harvard University - DSC08030.jpg 3,648 × 5,472; 9.25 MB

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