Geodetic transit theodolite, made by Troughton & Simms for James Ludovic Lindsay
made in London

© National Museums Scotland

000-180-001-002-C

Hydrometer
probably made in London

© National Museums Scotland

000-100-104-298-C

Sextant
probably made in London

© National Museums Scotland

000-100-104-300-C

Sextant (detail)
probably made in London

© National Museums Scotland

000-190-002-071-C

Surveyors' sextant
probably made in London

© National Museums Scotland

000-180-001-170-C

Theodolite
probably made in London

© National Museums Scotland

000-190-004-723-C

Transit theodolite, presented to John Playfair, later used by Charles Piazzi Smyth
made in London

© National Museums Scotland

000-180-001-001-C