Edited text of a paper by Fr. Henry Gill SJ entitled ‘On the Temperature of Gas rushing into a Vacuum’ to be published in Proceedings of the Royal Dublin Society. Includes tables and figures.

Edited text of a paper by Fr Henry Gill SJ entitled ‘On the Rise of Temperature of Air Rushing into an Exhausted Vessel’ to be published in Proceedings of the Royal Dublin Society. Includes tables of results (2pp).

Material on John J O'Brien, who departed the Society of Jesus, as a scholastic.

Born: 31 January 1910
Entered: 1 September 1927
Left Society of Jesus: 18 June 1935