"You tried to force it.  Here-" Duke completed the adjustment Harshaw had muffed, then went ahead and inserted the first film cartridge.  Neither of them re-opened the question of whether Duke was, or was not, still working for Jubal.  The cameras were Mitchell servos; the projector was a Yashinon tabletop tank, with an adapter to permit it to receive Land Solid-Sight-Sound 4 mm. film.  Shortly they were listening to and watching the events leading up to the disappearance of the empty brandy case.