Case for one ten inch flint glass prism
Case for one ten inch flint glass prism of angle 12 1/2 degrees with brass mountings [mounted with Inv No. 1889-68]
One ten inch flint glass prism of angle 12 1/2 degrees
- maker:
- Adam Hilger
One ten inch flint glass prism of angle 12 1/2 degrees [mounted with Inv No. 1889-68] with brass mountings and adjustments to minimum angle divation in case. Used with a 10-inch refracting telescope with equatorial mount by Cooke at the South Kensington Solar Physics Observatory and is now at the Norman Lockyer Observatory at Sidmouth, Devon
Details
Parts
One ten inch flint glass prism
One ten inch flint glass prism of angle 12 1/2 degrees [mounted with Inv No. 1889-68] with brass mountings and adjustments to minimum angle divation in case. Used with a 10-inch refracting telescope with equatorial mount by Cooke at the South Kensington Solar Physics Observatory and is now at the Norman Lockyer Observatory at Sidmouth, Devon
- Materials:
- glass and brass (copper, zinc alloy)
- Object Number:
- 1888-158 Pt2
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