Black and white negative of Seán Lemass, Taoiseach, pictured with a group on a tour of the SPS Factory. Envelope notes the initials E.O'C.

Black and white negative of Seán Lemass, Taoiseach, pictured inside, with a group of at least six men, at the machine workbenches of the SPS Factory at Shannon Airport. Envelope notes the initials E.O'C.

Black and white negative of Seán Lemass, Taoiseach, pictured with a group on a tour of the SPS Factory. Envelope notes the initials E.O'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.

Black and white negative of Seán Lemass, Taoiseach, pictured with Mr Harris and Mr Gibbs inside the SPS Factory. Envelope notes the initials E.O'C.

Black and white negative of Seán Lemass' visit to the factories with Mr Harris.