The All British Valve _ Mullard STTLONG FmL A Mullard PM Filament can be ted ina knot after more than 1000 bouce use. Remember that a filament j 0 piece of metal, thinner than 8 beics and you will realise the erorqoua stcength necessary to withstand such a strain: Due to this quality, 2 Mullerd PM Filament wil give uniform ut Tied _ results for amazing period: time: In the words of Mullard 8} # users- They last for ycar:' Added to this great strength t Mullard PMM: Filament bas other advantages: Itshuge emissionsurfac ensures maximum volume togethee with an improvement in tone and * consumes Only .075 amps There s not a valve to touch 8c Mullard PMM Askyour radio dealer be stocks them: Mullard THE 0 MASTER-VALVB Sole NZ Selling _ Agents: SPEDDING LIMITED: Cr: Customs Street and Anzac Avenue Auckland; Dominion Building; Wellington; 214 Madras Street Christchurch; 42 Crawford Street, Dunedin: Adanta the Mullard Wireless Service Co s Ltd, Londons England:
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https://paperspast.natlib.govt.nz/periodicals/RADREC19280921.2.42.1
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Radio Record, Volume II, Issue 10, 21 September 1928, Page 11
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159Page 11 Advertisement 1 Radio Record, Volume II, Issue 10, 21 September 1928, Page 11
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