Key points are not available for this paper at this time.
The Armagh-Dunsink-Harvard (ADH) Telescope was an instrument with a checkered history that, unlike many telescopes that have a productive life of many decades, has now all but faded from memory. Nevertheless, its story is worth telling, if for no other reason than the part it played in Irish and international astronomy in the crucial years following the Second World War.
C. John Butler (Thu,) studied this question.