000-100-104-255-C
Gauge rule (1 of 2)
probably made in London
© National Museums Scotland
000-190-002-214-C
Gauge rule (2 of 2)
probably made in London
© National Museums Scotland
000-190-002-215-C
Gauge rule (detail) (1 of 2)
probably made in London
© National Museums Scotland
000-190-002-216-C
Gauge rule (detail) (2 of 2)
probably made in London
© National Museums Scotland