Question: In those days many Edinburgh undergraduates had little money to buy textbooks and so were very dependent on lectures
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Answer: In those days many Edinburgh undergraduates had little money to buy textbooks and so were very dependent on lectures.

Question: Temperature measurement accuracy 2 C or 2 at 25 C nominal whichever is greater
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Answer: Temperature measurement accuracy 2 C or 2 % (at 25 C nominal, whichever is greater)

Question: Now we dont have to rely on guesswork any more
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Answer: "Now we don't have to rely on guesswork any more"

Question: The first is white vinegar
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Answer:
The first is white vinegar.