US971068A
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Sound recording and reproducing machine.
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GB190905038A
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Improvements in Sound Recording and Reproducing Machines.
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US1003940A
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Speed-regulating device for sound recording and reproducing machines.
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GB190815728A
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Improvements in Sound Recording and Reproducing Machines
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GB190814612A
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Improvements in Machines for Recording and Reproducing Sounds.
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GB190804413A
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Improvements in or relating to Machines for Recording and Reproducing Sounds.
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GB190804121A
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Improvements in or relating to Machines for Recording and Reproducing Sounds.
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GB190724078A
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Improvements in Sound Recording and Reproducing Machines.
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GB189921063A
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Improvements in or connected with Pattern or Sample Books and the like.
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GB189404300A
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Improvements in Spreaders or Spray Producers.
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GB189321386A
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Improvement in or connected with Nozzles for Spreading or Diffusing Jets of Fluid.
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GB189313421A
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Improvements in or connected with Ball Taps or Valves.
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CA47347A
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Spray producer
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