This object is part of a collection relating to the history and development of computing and other information technology assembled by Assoc Professor Allan Bromley of Sydney University, comprising of calculators, mechanical and electronic analogue computers, computer components, kit computers, education computers, and associated ephemera.

Allan Bromley was a lecturer and researcher at the University of Sydney Basser Department of Computer Science from 1978 until his untimely death in August 2002. He specialised in Computer Architecture, Computer Logic and in particular the History of Computing. He was regarded as the world authority on Charles Babbage's Calculating Engines (instigating the rebuilt of DE2 at the Science Museum London) and the Ankithera Mechanism and had extensive knowledge on calculators, analogue computers, logic, stereopsis, totalisators, clocks and time keeping and mechanical engineering.

H. Hughes & Son Ltd, London, 1918

Box sextants (2) with case, metal / leather, made by H Hughes & Son Ltd, London, England, 1918

An instrument for measuring angular height of an object such as a tree or a hilltop. Construction: Polished brass in cylinder with seperate eye piece. Complete with leather carrying case. [The second unit is a military version in blackened brass.]

Made: 1918

2010/1/225

1918

40 mm

75 mm