Australian Bureau of Statistics2025-10-072025-10-0712.16.52https://hdl.handle.net/1885/733785607application/pdfen-AUProduction Summary No.52, Electrical Power Frequencies, Transformers, Chokes, and Ballasts, Australia, February 19771977-02This image is provided for research purposes only and must not be reproduced without the prior permission Australian National University.