Magnificent bronze astronomical instruments made in 1674 under Emperor Kanghi, Imperial Observatory, Peking, China. Photographer: James Ricalton for Underwood and Underwood
Genre: Architectural Photography View of the Georgian crescent taken from one end of the side railings, a telescope is visible on the central roof. Chemistry brush-applied on paper 188 x 229 mm.
Heliostat and other instruments; Dubosq Soleil. Photographer: Ferrier, Claude-Marie
Scope & Content:
Arrnagement of a heliostat and several other scientific instruments: 'Dubosq-Soleil (France, has exhibited Silberman's heliostat … [He] has also exhibited a saccharometer … Bravais' haloscope, for the exhibition of all the phenomenae connected with halos, parhelions, etc. ... besides these ... a...