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GB424525A
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Improvements in or relating to centrifugal pumps
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GB421214A
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Improvements in submersible pumps
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GB316030A
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Improvements in flexible couplings for rotary pumps
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GB252795A
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Means for controlling the speeds of a number of electric motors
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GB219397A
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Improvements in and connected with the driving of paper-making machines and the like
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GB211953A
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System of control for maintaining the relative speeds of a number of electric motors
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GB190223A
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Improvements in and connected with mining type switch gear
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GB164123A
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Improvements in and connected with the driving of paper machines
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GB148655A
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Improvements in controlling means for controlling a series of electric motors
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GB147243A
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System of control for maintaining the relative speeds of a number of electric motors
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GB142523A
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Improvements in and relating to electric switches and switch fuses
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