Black and white negative of men at work at the machines inside of the SPS Factory at Shannon Development.

Black and white negative of men at work at the machines inside the SPS Factory at Shannon Airport.

Black and white negative of men at work at the machines inside the SPS Factory at Shannon Airport.

Black and white negative of men at work at the machines inside the SPS Factory at Shannon Airport.

Black and white negative of Mr Gibbs at his desk at the SPS Factory at Shannon Airport.

Black and white negative of a group of men standing outside the SPS Factory, featuring Mr Gibbs and others. Envelope notes the initials T.J.C..

Black and white negative of a Seán Lemass, Taoiseach, pictured with four others, visiting the SPS Factory at Shannon Development. Envelope notes the initials E.O'C.

Black and white negative of Seán Lemass, Taoiseach, pictured with five men while visiting the SPS Factory at Shannon Airport. Envelope notes the initials E.O'C.

Black and white negative of Seán Lemass, Taoiseach, pictured with two men and two women, outside by the sign of the SPS Factory at Shannon Airport. Envelope notes the initials E.O'C.