000-100-102-752-C
Barometer
Probably made in Glasgow
© National Museums Scotland
000-190-001-060-C
Barometer (detail)
Probably made in Glasgow
© National Museums Scotland
000-100-102-839-C
Protractor (detail)
Probably made in Glasgow
© National Museums Scotland
000-100-102-666-C
Surveyors' compass
Probably made in Glasgow
© National Museums Scotland