Fehrenbach, Ch., “
La création de l’Observatoire de Haute Provence” in
Histoire et Avenir de l’OHP, OHP,
1987. [De Kerolyr’s equipment was illustrated in
L’Astronomie,
1928 October, and the Couder-Prin telescope in 1933 September. Photographs taken by the early cameras were published in the issues for 1928 October, 1929 May and 1932 September, while those using the 81-cm appeared at intervals from 1933 May to 1938 April. - Eds]
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