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GB1388845A
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Magnet switch for liquid containers
|
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GB1287395A
|
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Float operated signalling device
|
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GB1279504A
|
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Float operated signalling device
|
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FR1521797A
|
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Improvements to magnetic level indicators controlled by a float
|
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GB1146946A
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Flame proof electrical assembly
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GB1115833A
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Float operated magnetic switch assembly
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GB1153297A
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Improvements relating to magnetically operated electrical switches.
|
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GB1125471A
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Switches comprising a micro-switch and a non-linear biassing device
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GB1070208A
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Devices for operating mercury switches
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GB1045300A
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Valves with position indicators
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GB1071282A
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Magnetically operated switches
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GB1072909A
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Means for operating reciprocating valves
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GB1000536A
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Electrical noise-making devices
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GB999811A
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Apparatus for supplying liquid to containers
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GB1043205A
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Means for compressing packing sleeves around cocks
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GB1041564A
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Improvements relating to boilers and similar apparatus with auxiliary chambers housing level controllers or other mechanism
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GB1041563A
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Improvements relating to boilers and similar apparatus with auxiliary chambers housing level controllers or other mechanism
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