John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory South dome 1950s.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Cauchoix Lens.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink South telescope.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink in the Snow.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink by Moonlight.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink in Autumn.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
The South Refractor.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink main Enterance.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Refractor.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory in the 1950's
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory in snow.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Old 28-inch Reflector at Dunsink.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory, Dublin.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
The South Refractor at Dunsink.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
The South Refractor at Dunsink.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Dunsink Observatory.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
Jupiter and Venus.
John C McConnell F.R.A.S., F.B.I.M.S., I.M.C.A.:
The Famous Cauchoix Lens at Dunsink.