Images Dated 1st September 2010

Sandstone, thin section, polarized LM

Sandstone. Polarised light micrograph of a thin section of sandstone. Sandstone is a type of sedimentary rock, one formed from the deposition over time of small particles of other rocks. Pressure from overlying layers compacts the particles together to form a solid substance. Magnification: x8 at 35mm size

© PASIEKA/SCIENCE PHOTO LIBRARY

Unknown Man, possibly Arthur Chichester, 3rd Earl of Donegal

Portrait of an Unknown Man, possibly Arthur Chichester, 3rd Earl of Donegall 1666-1706. Morphey, Garrett 1660-1716 (attributed to)

© National Museums NI / MARY EVANS

3rd, Arthur, Attributed, Chichester, Donegall, Earl, Garrett, Irish, Man, Morphey, Oil, Painting, Portrait, Possibly, Unknown

Turbine Makers Left-hand Panel of Triptych shipbuilding i

Turbine Makers (1904 - 24) (Left-hand Panel of Triptych Shipbuilding in Belfast'). Staples, Sir Robert Ponsonby Bt. 1853-1943. Date: 1904 - 1924

© National Museums NI / MARY EVANS

1904, 1924, Belfast, Bt, Hand, Irish, Left, Makers, Oil, Painting, Panel, Ponsonby, Robert, Shipbuilding, Sir, Staples, Triptych, Turbine