2-361-719 - The Print Collector/Heritage Images

Cruger's azimuth quadrant, 1673 (1956). Peter Cruger (1580-1639) was a German mathematician, astronomer and polymath. He taught the Polish astronomer Johannes Hevelius, who completed Cruger's design for the azimuth quadrant. A print from Things, a volume about the origin and early history of many things, common and less common, essential and inessential, by Readers Union, the Grosvenor Press, London, 1956.