DOOR-STONE CONCEALING ENTRANCE TO CHAMBERS CORNER OF BURIAL CHAMBER. REQAQNAH. STAIRWAY TOMB, R 40. 111^ DYN., ARCHITECTURAL FEATURES. … GROUP OF COPPER VESSELS AND KNIFE COPPER KNIFE AND SPOONS CONSTRUCTION OP THE STAIRWAY TOMBS 23 natural bed of gravel, which failed to hold the 1 tirely collapsed before the excavation reachedweight of the side walls, bulging as that point, and it was with great diflBcultythey were from the…