Barometer, made by Jesse Ramsden
in London

© National Museums Scotland

000-180-000-964-C

Opera glass
made in London

© National Museums Scotland

000-190-004-731-C

Sextant
probably made in London

© National Museums Scotland

000-100-104-228-C

Sextant
probably made in London

© National Museums Scotland

000-100-104-233-C

Sextant (detail)
probably made in London

© National Museums Scotland

000-190-002-057-C

Sextant (detail)
probably made in London

© National Museums Scotland

000-190-002-058-C

Theodolite
probably made in London

© National Museums Scotland

000-100-104-299-C