Final answer:
The number of troops stationed in the Sault to protect the Locks would have varied depending on the specific circumstances and time period.
Step-by-step explanation:
The number of troops stationed in the Sault to protect the Locks during a specific time period is not specified in the provided information. However, throughout history, the number of troops stationed in the Sault to protect the Locks would have varied depending on the specific circumstances and time period. For example, during times of conflict or war, there may have been a larger military presence to ensure the security of the Locks. It is important to consult historical records or specific sources related to the time period in question to determine the exact number of troops stationed in the Sault at that particular time.