ALT Photo of a white man in a dark suit with short curly hair pressing a button on the console of a Ferranti Pegasus computer in 1956 thanks to Science Museum Group Collection Online. (CC BY-NC-SA 4.0)

ALT Photograph of man undergoing Ultraviolet Ray therapy

ALT Printed poster headed 'Science Classes Staveley. The Committee of these classes have pleasure in announcing that the fourth session will commence on Tuesday, October 12th, 1880. In the Staveley Boys' School Room.'

ALT Photograph of Mary Mulvihill (Picture: DCU)

ALT A notice for a seminar titled 'Women into Engineering: issues, challenges and strategies' run by WITS. (Mary Mulvhill Collection, DCU Special Collections & Archives).

ALT on the left an image of a document damaged by a rusty paperclip, on the right a tub of archival brass paperclips.

ALT First and fourth page of a letter from Joseph Swan to John Worsnop.

ALT Second and third page of a letter from Joseph Swan to John Worsnop.

ALT Fifth page of a letter from Joseph Swan to John Worsnop.

ALT Sixth page of a letter from Joseph Swan to John Worsnop.

ALT Microscopic organisms on a black background

ALT Microscopic organisms on a black background

ALT Professor Harold Springall delivering a chemistry lecture in the 1950s.

ALT Front cover of the book 'Examination Papers for Science Schools and Classes. May 1874.'

ALT Open double page of the book, showing the mathemathics Honours examination questions.

ALT Fold-out diagram from the book for the Naval Architecture Honours Examination. It shows the hull of a schip in front and sideways views.

ALT Open double page of the book. The left hand side shows the questions for General Biology, teh right hand side the questions for Animal Morphology and Physiology.