41. Closed stringers have notches mortised in their sides to hold and enclose the treads and risers. 42. Make several parallel cuts in the mortise so that you can chisel out the wood accurately. 43. Generally the size of the mortise and tenon is related to the thickness of the timbers. 44. The mortise is a rectangular socket. 45. The exterior is 4? stone veneer quarried in Philadelphia and applied with a special mortise technique. 46. The mortised and tenoned and pegged beams are arranged in " H-shaped " units. 47. The steep hip roof, made of Norman trusses held together by mortise and tenon joinery. 48. The wooden pieces were not mortised together, but only loosely put next to each other. 49. Five purlin-plate runs across the top of the bents, also mortised and braced. 50. Samuel Beckett himself might have conceived " House Plant Theater's " mortised rigor.
