000-100-102-714-C
Plotting protractor
made in Edinburgh
© National Museums Scotland
000-100-102-740-C
Plotting protractor
Probably made in Glasgow
© National Museums Scotland
000-100-102-839-C
Protractor (detail)
Probably made in Glasgow
© National Museums Scotland
000-190-001-054-C
Protractor (obverse)
probably made in London
© National Museums Scotland
000-100-102-722-C
Protractor (reverse)
probably made in London
© National Museums Scotland
000-100-102-731-C
Contact goniometer
made in England
© National Museums Scotland