Amateur talking pictures and recording (1933)

Record Details:

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CONCLUSION 211 Certainly this system is the only one known to the present writer which enables the acoustic gramophone to be employed with satisfactory results. A further interesting feature as we examined it was that it can be employed on Mills Souxd System — Projector either alternating or direct current of voltages of 100 and 250, or alternatively a battery model can be supplied. It is understood that the proposed sales price of the model is £7, including projector and synchro arm complete for attachment to any type of gramophone. It must be emphasized that the mechanism is nothing in the nature of a toy. being very solidly constructed, and giving a picture comparable in quality to first class projectors.