Glass plate photograph plate measurer for positional astronomy by Henry Porter
- maker:
- Henry Porter
This image is released under a CC BY-NC-SA 4.0
Licence
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Science Museum Group
© The Board of Trustees of the Science Museum
Glass plate photograph plate measurer for positional astronomy by Henry Porter, London.
Details
- Category:
- Astronomy
- Object Number:
- 1995-1616
- Materials:
- box, mahogany, frame, electrum (metal) and fixtures, brass (alloy)
- Measurements:
-
overall: 70 x 145 x 70 mm
Box: 90 x 240 x 213 mm
- credit:
- Tesseract
