Electrotype copy of a planispheric astrolabe with 9 plates by Ibrahim ibn Said of Valencia, dated 1085 AD and from the Staatliche Kunstsammlungen, Kassel [see IC 121]. Made by Elkington and Company after the original was displayed at the Special Loan Collection of Scientific Apparatus in the South Kensington Museum in 1876. Replica of Islamic astrolabe, 1085
Dialytic telescope of 60 mm aperture and 750 mm focal length by S.G. Plössl, Wien on an altazimuth mounting with folding tripod and fitted box. Accessories include 3 eyepieces and solar filter. Dialytic telescope of 60 mm aperture and 750 mm focal length by S.G. Plössl
Two profile gauges, concave and convex which were used by the 3rd Earl of Rosse to measure the 72 inch mirrors used on the largest Rosse telescope. Two profile gauges
Foucault's gyroscope demonstration apparatus; comprising, tripod stand 17 1/2-inch high with suspended circle, gyroscope spinning mechanism, two gyroscopes, small stand with scale, microscope and stand, mahogany stand for adjusting, gyroscope [boxes sold ScM.1806/83/1]. Used at the South Kensington Museums for demonstations. Gyroscopes for demonstrating the Earth's rotation, 1883
Two boxes of Huggins's original photos of Corona, spectra oc Two boxes of Huggins's original photos of Corona