1. The negligence of any person in the service of the employer who has the charge or control of any signal, points, locomotive engine, or train upon a railway.

1607. Amount Recoverable

The largest sum which a workman can recover in any of the above cases is limited to the amount of the average earnings for

three

years of a person in his situation.

1608. Notice to Employer

Notice in writing of the injury must be given to the employer, or sent by registered post, giving the name and address of the person injured, the date of the accident, and stating in ordinary language the cause of the injury.