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GB713003A
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Improvements relating to shutters for organ swell chambers and the like
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GB701916A
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Improvements relating to electric switching arrangements in organs
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GB520843A
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Improvements relating to electric switching arrangements in organs
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GB495053A
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Improvements relating to organs and like musical instruments
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GB478287A
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Improvements relating to the control of swell-chambers, crescendo-boxes and the like
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GB416071A
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Improvements in and connected with draw stops, stop keys, pistons and like control devices for musical instruments
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GB401362A
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Improvements in and connected with relay devices for organs and like musical instruments
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GB390213A
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Improvements in and connected with keys and keyboards or manuals of musical instruments
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GB390214A
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Improvements in and connected with adjustable seats or stools
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GB354367A
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Improvements in and connected with relay machines for organs and like musical instruments
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GB351558A
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Improvements in and connected with stop devices for organs and like musical instruments
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