Letters from P. Torphy, Power’s Court, Upper Mount Street, Dublin; P. Hennessy & Sons, plumbing engineers and contractors, 61 Grand Parade, Cork; M. Barry Ltd., 4 Marlboro Street, Cork, Thomas H.M. Wain, consulting engineer, 15 Cook Street, Cork; Charles McCarthy & Sons, heating and sanitary engineers, Emmet Place, Cork; the Electricity Supply Board, concerning the tenders and specifications for the installation of a new heating system at Holy Trinity Church. James Finbarre McMullen (c.1909-1957) was the consulting architect for the installation. See also CA HT/2/4/2.