Six-foot speculum [metal] mirror on travelling carriage from the Great Rosse Telescope, the 'Leviathan of Parsonstown', built by the Third Earl of Rosse at Birr, Ireland, 1844-46. Mirror for the Great Rosse Telescope, 1844-1846 Astronomy 1844-1846
Photograph of the instruments used by the British expedition when observing the 1919 total solar eclipse in Brazil. Astronomy 1919
Pamphlet by William Herschel;instructions for the use of his Newtonian reflecting telescope Astronomy 1783-1785
Sample radio receiver for the James Clerk Maxwell sub-millimetre radio telescope, 1986 Astronomy 1986
Map of Europe marked with the paths of totality for solar eclipses during the 20th century Astronomy 1927
Calotype print by Nasmyth of lunar crater models and a refracting telescope outside his home in England, 1858 Astronomy 1858
Orrery patented 1897 (No.578,108 USA) and 1910 (No.958,139 USA) by Alexander Laing and manufactured by Laing Planetarium Company, Detroit, Michigan. Orrery planetary model by the Laing Planetarium Company, 1910-1920 Astronomy 1910-1920