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