Sydney Amateur astronomers at Campsie, 16 September 1956 / photographs by Alec Iverson

W. M. Moser, Hurlstone Park, 2 October 1967 / photographs by Victor Johnston

Sydney Amateur astronomers at Campsie, 16 September 1956 / photographs by Alec Iverson

Sydney Amateur astronomers at Campsie, 16 September 1956 / photographs by Alec Iverson

Sydney Amateur astronomers at Campsie, 16 September 1956 / photographs by Alec Iverson

Sydney Observatory and [Gov?] Astronomer, 28 June 1943 / photographed by N. Herfort

Mr K Beames astronomer, 30 June 1943 / photographed by Ivan Ives

Sydney Observatory and [Gov?] Astronomer, 28 June 1943 / photographed by N. Herfort

Periscope at observatory, 18 February 1941 / photographed by A. Grimes

Periscope at observatory, 18 February 1941 / photographed by A. Grimes

Periscope at observatory, 18 February 1941 / photographed by A. Grimes

Observatory

Sydney Opera House

Military searchlight series, 18 August 1941 / photographed by Ray Olson

The Equatorial telescope

Observatory equipment, 10 February 1941 / photographed by Charles Wakeford

Observatory series, 9 January 1945 / photographed by Alec Iverson

Observatory series, 9 January 1945 / photographed by Alec Iverson