This pleasant little fictional arrangement explains how it is that some of these fine instruments are in the hands of civilians.
“You are not likely to need the glasses on this trip.”
“Hardly; the heights from which I am to make the search are so moderate that my eyes will require no help.”
“Then will you loan them to me?”
“With pleasure.”
The detective explained the use to which he expected to put the binoculars.
“I shall take a position that will give me an extended survey over the woods without drawing notice to myself, and after you are fairly started on your aerial voyage, I do not intend to lose sight of you.”
“If I discover the place you have in mind, how shall I let you know it?”
“By signal.”
“They will be likely to see it.”