There's much interesting reading in records which have already been transcribed & made publicly available.
|LNWR Crewe Works drawing of 1885 - a Webb leg|
Railway companies took an interest in accidents and their results, but this may not be from an expected standpoint nowadays. For example, many companies produced prosthetic limbs in their own works - were they trying to keep a handle on costs, or giving a more personal affordable timely service? In any case, loss of limbs was an unremarkable occurrence.