"Almost anything seems possible nowadays, my dear," her husband told her. "And you say, Professor, that you have brought back samples of this invisibility device?"
"Yes, we have, but I can't promise they'll work. I'll try, however."
Whereupon, sceptically, he pressed that little square button—and instantly faded out of sight.
"Good Lord!" cried Blake, leaping to his feet. "That proves it! Why, this is positively—"
is remarks were cut short by a scream of terror from his wife.
"Marjorie—Marjorie!" she shrieked.
Wheeling, he faced the chair where his daughter had sat. It was empty, so far as human eyes could see.
"Don't worry Mother—Daddy!" came a calm voice from it. "I'm quite all right—coming back—steady."