Britain and Ireland | Irish Science and Technology Set of Four Ireland Postage Stamps Issued 1981 Multicolor

Description

This set of four postage stamps was issued by Ireland to honor Irish Science and Technology. Inventions depicted include the Boyle air-pump of 1659, the Ferguson Tractor of 1936, the Parsons turbine of 1884, and the Holland submarine of 1878.
Issue date: March 12, 1981
Size of each stamp: 30 x 40 mm
Colors: Multicolor
Emission: Commemorative
Perforation: 14 x 14?
Printing: Offset lithography
Mint, never hinged condition.