One of three photographs of Astronomical universal circles by F.W. Breithaupt & Sohn of Hessen-Kassel at the Strasbourg Observatory. One of three photographs of Astronomical universal circles 1876
One of three photographs of Astronomical universal instruments by F.W. Breithaupt & Sohn of Hessen-Kassel at the Strassbourg Observatory. One of three photographs of Astronomical universal instruments 1876
Photograph of Universal Circle (Altazimuth) used in the English Transit of Venus expedition of 1874 [mounted with 1876-1002/3/4] Photograph of Universal Circle 1876
One of three photographs of Astronomical universal instruments by F.W. Breithaupt & Sohn of Hessen-Kassel at the Strassbourg Observatory. One of three photographs of Astronomical universal instruments 1876
Universal instrument by William Simms, London; double circle 15in. diameter, base circle 16in. diameter. Universal instrument by William Simms 1821-1826
One of three photographs mounted in a glazed frame showing instruments at the Royal Observatory Greenwich around 1914. Christie's Altazimuth instrument (universal) made by Troughton & Simms May in 1896, of 8-inch aperture and 8-feet focal length viewed towards the eyepiece [instruments at the Royal Observatory Greenwich] 1914
One of three photographs mounted in a glazed frame showing instruments at the Royal Observatory Greenwich around 1914. Christie's Altazimuth instrument (universal) made by Troughton & Simms May in 1896, of 8-inch aperture and 8-feet focal length viewed towards the eyepiece and lifted out of its pivots. [instruments at the Royal Observatory Greenwich] 1914