ContributorCommunity HistoryDescriptionState Energy Commission advice that the electricity frequency will change from 40 to 50 cycles at 7.45 am on Friday 18 December 1953. It provides warning and information regarding liability and appliance conversions. Document indicates (signed) by F.C. Edmonson, General Manager and Chief Engineer. (No handwritten signature is present.)TypeEphemeraCollectionBond family collectionDate created1953Height (mm)267Width (mm)202
Notice of frequency change from 40 to 50 Cycles from State Electricity Commission in 1953. City of Stirling Art and History Collection, accessed 06/12/2025, https://collections.stirling.wa.gov.au/nodes/view/11195
