P operated a mill and paid D to deliver a faulty part to an engineer by a certain time. D failed to do so and P lost some business as a result. The court held that the harm was too remote to be claimed on. For a plaintiff to claim damages for harm caused by D, the harm would have to be generally foreseeable to D. In this case, D could not have foreseen the loss of profits that might come as a result of his failure to deliver the faulty part on time and hence he was not liable (though this would not have been the case had P explained his special circumstances.