In [Figure 86] will be seen the Twin Carrier type of door hangers with doors loaded and rolling clear of the opening.
Fig. 86. Twin Carrier with Kiln Door loaded and rolling clear of Opening.
In [Figure 87] will be seen the Twin Carrier for doors 18 to 35 feet wide, idle on a section of the track.
In [Figure 88] will be seen another type of carrier for kiln doors.
In [Figure 89] will be seen the preceding type of kiln door carrier in operation.
In [Figure 90] will be seen another type of carrier for kiln doors.
In [Figure 91] will be seen kiln doors seated, wood construction, showing 31⁄2" × 53⁄4" inch-track timbers and trusses, supported on 4-inch by 6-inch jamb posts. "T" rail track, top and side, inclined shelves on which the kiln door rests. Track timber not trussed on openings under 12 feet wide.