Octant (detail)
probably made in London

© National Museums Scotland

000-190-002-072-C

Oil microscope lamp designed by Lord Kelvin

© National Museums Scotland

000-000-099-870-C

Opera glass
made in London

© National Museums Scotland

000-190-004-731-C

Orrery
made in London

© National Museums Scotland

000-100-102-691-C

Orrery, probably made by W. Jones
probably made in London

© National Museums Scotland

000-180-000-983-C

Pantograph
probably made in London

© National Museums Scotland

000-100-104-216-C

Paperweight
made in London, England

© National Museums Scotland

000-180-001-084-C

Percussion caps & boxes
made in England

© National Museums Scotland

000-190-004-006-C

Photometer
probably made in London

© National Museums Scotland

000-180-001-217-C

Pocket watch movement
made in London found near site of battle of Prestonpans, East Lothian

© National Museums Scotland

000-100-002-614-C

Pressure vessel

© National Museums Scotland

000-100-104-244-C

Pressure vessel (detail)

© National Museums Scotland

000-190-002-255-C

Prisms, known as Nicol prisms
made in England

© National Museums Scotland

000-100-102-689-C

Proportional compasses
probably made in London

© National Museums Scotland

000-100-102-665-C

Proportional compasses
probably made in London

© National Museums Scotland

000-190-001-016-C

Protractor (obverse)
probably made in London

© National Museums Scotland

000-190-001-054-C