. Cooling apples in pallet boxes. Figuee 15.—Side view of maximum-cooling pallet box showing 1-inch space between deck and sides to pro- vide additional cooling. Maximum-cooling pallet box.—This pallet box was designed to provide a maximum amount of air circulation for the stored fruit. The sides and bottom were constructed with 1- by 6-inch finished panel boards, all -with bullnosed (rounded) edges. To provide additional cooling space, a 1-inch air- space was maintained between the deck boards and the lowest side panel board. The spacing of the lumber in the sides and bottom of this box gave
. Cooling apples in pallet boxes. Figuee 15.—Side view of maximum-cooling pallet box showing 1-inch space between deck and sides to pro- vide additional cooling. Maximum-cooling pallet box.—This pallet box was designed to provide a maximum amount of air circulation for the stored fruit. The sides and bottom were constructed with 1- by 6-inch finished panel boards, all -with bullnosed (rounded) edges. To provide additional cooling space, a 1-inch air- space was maintained between the deck boards and the lowest side panel board. The spacing of the lumber in the sides and bottom of this box gave a 12-percent free-air surface. This pallet was 47 by 48 inches outside and 24 inches deep inside (figs. 14 and 15). Wooden side-lift box.—This box was designed to be lifted at the sides to eliminate storage space lost by using a pallet. The sides were of hard- board masonite with vent holes and the bottom was lined with a water-resistant polystyrene pad, covered on both sides by a 42-pound natural kraft paper, with a 1-inch free-air space around the bottom (figs. 16 and 17). This box was 47 by 48 inches outside and 27% inches deep inside. Corrugated-steel side-lift box.—This box was made of 22-gage galvanized corrugated steel re- inforced with angle irons. Ventilation was not provided in this box (figs. 18 and 19). This box was 47 by 48 inches on the outside, and 27 inches deep inside. Corrugated-aluminum metal pallet box.—The construction of this pallet box was of thick corrugated sheet aluminum and aluminum tubing. There was no ventilation. The box was 47 by 47 inches outside, and 24 inches deep inside. A tubular aluminum pallet 5 inches high was attached to the bottom (figs. 20 and 21). Plywood pallet box.—This pallet box was made from 34-inch thick plywood and was 47 inches square on outside, 24 mches deep inside, and was used in test No. 3. There Avas no provision for ventilation (fig. 22). Commercial plywood pallet box No. 5.—The construction was
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Keywords: ., bo, bookcentury1900, bookcollectionbiodiversity, bookleafnumber18
