Perhaps it was owing to the stunning effect of this sudden noise that what had happened at the doorway seemed to have something of the quickness of magic to the astonished onlookers, but a good deal of the credit was still due to the castors, on which the screens had been mounted, to an ingenious arrangement of strings, and to many and careful rehearsals.
"Pixie O'Shaughnessy"
Mrs. George de Horne Vaizey
They are on castors and can be rolled to any part of the room.
"A Catalogue of Play Equipment"
Jean Lee Hunt
On the grass, under the trees, a great long table was set out with plates, glasses, castors, and things.
"Phemie Frost's Experiences"
Ann S. Stephens