K/PP107/11/4/3

Dated 1852-1875. From Scientific apparatus, musical instruments and telegraph equipment, [1834-1875].

Solar instrument through which the sun’s image is projected on to a fixed point includes a quadrant to measure the angle, a spirit level, a clock and a second dial reading 0-20 clockwise and anti-clockwise.  Brass with clock inscribed ‘A. Stroh, London’.