000-100-102-821-C
Refractometer
probably made in London
© National Museums Scotland
000-190-001-070-C
Refractometer (detail)
probably made in London
© National Museums Scotland
000-100-104-259-C
Slide rule (detail) (1 of 2)
© National Museums Scotland
000-190-002-256-C
Slide rule (detail) (2 of 2)
probably made in London
© National Museums Scotland
000-190-004-743-C
Static electricity set
probably made in London
© National Museums Scotland
000-190-004-744-C
Static electricity set
probably made in London
© National Museums Scotland
000-100-102-669-C
Universal equinoctial dial
© National Museums Scotland