It not only doubles up Mrs. Smallweed's head against the side of her porter's chair and causes her to present, when extricated by her granddaughter, a highly unbecoming state of cap, but the necessary exertion recoils on Mr. Smallweed himself, whom it throws back into HIS porter's chair like a broken puppet. 
This exertion recoils on Mr. Smallweed himself, throwing him back into his chair like a broken puppet. 