"We had better take a lamp with us.

Let us go up to the laboratory and get one from Polton." "There is no need to do that," said I."The pocket-lamp that you lent me is in my overcoat pocket.

I put it there to return it to you." "Did you have occasion to use it ?" he asked.
"Yes.

I paid another visit to the mysterious house and carried out your plan.

I must tell you about it later." "Do.