A Small Astronomical Quadrant, Scottish, c.1790, engraved 'P Hill EDIN'r', instrument supported on a compass-type joint to underside of baseplate with bubble, second compass type joint supporting the body of the instrument with two adjusting screws, horizon sight, long bubble, inverted 2-3/4” ) radius openwork quadrant with 0° - 90°- 120° scale with one-arcminute vernier, and pinion with external rack, telescope with push/pull focus and non-erect image, on later turned stand, instrument height 22.5cm