pancratic (variable magnification) achromatic refracting telescope
- maker:
- Robert Brettell Bate
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pancratic (variable magnification) achromatic refracting telescope, 8-draw, by R. B. Bate (unsigned), London, England, c. 1830. Body tube covered in green shagreen, brass draw-tubes, object glass 1 9/16-inch [.....] no cap, total length closed 5 1/2-inch object glass
Details
- Category:
- Optics
- Object Number:
- 1911-258
- Materials:
- copper (alloy), brass (copper, zinc alloy), fish skin and glass
- Measurements:
-
overall (closed): 142 mm x x , 50 mm, .63kg
- type:
- telescope - refracting
- credit:
- Court, Thomas Henry
