Film diapositive, 6 1/2"x9", of the Moon in the region of Copernicus. B. Lyot and M. Gentili, 60cm. Refractor at the Pic-du-Midi Observatory, 31st May 1944 Film diapositive
Photograph (silver print) showing the 3-foot Rosse Telescope with later equatorial mounting from the eastern side. Taken about 1880 by Lieutent-Colonel Harry J. Watson who was posted to nearby Newbridge. Photograph showing the 3-foot Rosse Telescope
One of of three platinotype prints of engravings in, 'Selenographia' by Johannes Hevelius, 1647 showing sunspots observed through a telescope. From page 519 and dated 3 May to 16 May 1644. Drawing of sunspots, German, 28 October 1642.
Telrad telescope finder, a naked eye sighting instrument using a magnified illuminated reticle projected onto an inclined glass plate Telrad telescope finder