The Armill, Astrolabe, Dioptra, and Parallactic Instrument of the ancients were some of the instruments thus constructed.
1840, William Whewell, “Introduction”, in The Philosophy of the Inductive Sciences, Founded upon Their History. […], volume II, London: John W[illiam] Parker, […]; Cambridge, Cambridgeshire: J. and J. J. Deighton, part II (Of Knowledge), book XIII (Of Methods Employed in the Formation of Science), paragraph 5, page 489