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David Lyn
None
Interferometer Experiment with Independent Local Oscillators
We have operated an interferometer with independent local oscillators and without any communication link of wide bandwidth between the elements of the interferometer. This makes operation possible at very long base lines because, heretofore, construction of the communications link has been the factor limiting the separation of the elements. In our system, coherence at the two elements is maintained through the use of two highly stable, atomic oscillators. The intermediate-frequency output signals are recorded at each element on a high-speed digital tape recorder. Interference fringes are produced later by cross-correlating the two tape records in a digital computer.
Joint Volumes of Papers Presented to the Legislative Council and Legislative Assembly
Includes various departmental reports and reports of commissions.
Taken at Tilba
A selection of photographs by William Corkhill from the Tilba area; includes photographs with Aboriginal subjects, including no. 32 "'King' Merriman of the Wallaga Lake tribe", no. 33 "Unknown", no. 78 "Funeral of 'Queen' Narelle of the Wallage Lake tribe, the wife of Merriman"; introduction mentions Aboriginal people of the area.
