Bonnington Castings Ltd v Wardlaw
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| Bonnington Castings Ltd v Wardlaw | |
|---|---|
 | |
| Court | House of Lords |
| Citation | [1956] AC 613 |
Bonnington Castings Ltd v Wardlaw [1956] AC 613 is an English tort law case, concerning causation, and material contribution to harm.[1]
Mr Wardlaw worked in Bonnington's workshop for eight years where there was both a pneumatic hammer and swing grinders creating silicone dust that he inhaled. He then got pneumoconiosis. Bonnington held to be not not liable for the harm caused by the hammer dust because, at the time, there was no way to prevent it. But, the court determined, Bonnington could prevent the dust from swing grinders by putting in an extraction fan.
On appeal, the question became how to separate the damage caused by the dust resulting from the pneumatic hammer (for which no breach of duty had been found) from the dust resulting from the swing grinder dust.[2]
