Collapsible pocket microscope, two lenses and mirror, with specimen samples of pollen etc. Brass pillar screws into container box lid to act as stand. Signed (see inscription). May have been used by Robert Wilson in his Eastern travels, 1820-1823.…
Pocket brass sextant, index arm operated by a toothed quadrant and pinion, in wooden box. Used by Robert Wilson in his Eastern travels, 1820-23. Inscription: Dollond, London
Sun dial, inclining, silver scale, below is a brass compass with two small spirit levels. Signed Dollond, London. Used by Robert Wilson in his Eastern travels, 1820-1823. Label attached to the instrument states the importance of keeping the small…
Brass sextant with silver scale, signed (see inscription), in a red leather box. Made in the early 19th Century and used by Robert Wilson in his Eastern travels, 1820-23. Inscription: engraved just below the scale Schmalcalder 82 Strand London