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A Proposal for a Reflecting Astrolabe
1968
Symposium - International astronomical union
A proposal is made for the construction of a 25 cm aperture "reflecting astrolabe", using a CER-VIT prism of near-zero thermal expansion. Such an instrument could be expected to have an advantage over the Danjon astrolabe as regards accuracy, declination-range and limiting magnitude.
doi:10.1017/s0074180900019410
fatcat:5gi4ugacsrgvjfrqvfs6n6n5ai