Image #86 (2.75" x 4.5"): "Detail at boom heel - top of material tower. (See also #67)."; Image #93 (2.75" x 4.5"): "2-14-29. End floorbeam of suspended span erected before last (dummy) bottom chord of cantilever arm is in place."; Image #94 (2.75" x 4.5"): "2-14-29. Detail at front corner of Span Traveler, showing screw bearing jack and tie-down-rods."