Ireland
| Country: | Ireland |
| Type: | Postage stamps |
| Series: | Irish Science and Technology |
| Nominal: | 25 p |
| Year: | 1981 |
| Size: | 30 x 40 mm |
| Perforation: | comb 14 x 14½ |
| Mintage: | 1,000,000 |
Irish Science and Technology
 Boyle air-pump 1659 0.23$ |  Ferguson Tractor 1936 0.17$ |  Parsons turbine 1884 0.2$ |  Holland submarine 1878 |