...trucks ahead of it and at its entry forcing out a load occupying equal track space at the discharge end. The stock thus moves progressively through the kiln...specified time of continuous drying under the various conditions of the long kiln. In the compartment class, on the other hand, the kiln is loaded fully...

...into the kiln and truckloads of dried stock removed at the same time from the other end of the line. The stock thus moves progressively through the kiln...emerges, supposedly dry, after a specified time of exposure to the various conditions along the length of the kiln. The temperature and relatively humidity...

...more truckloads of fresh or undried lumber are pushed into the kiln at the loading end. The lumber thus moves progressively through the kiln until it emerges, supposedly dry, after a specified period of continuous drying. Progressive kilns may be roughly classed as natural-circulation and as...

...moved toward the unloading end, and a truckload of lumber is loaded into the kiln at the loading end. The stock thus moves progressively through the kiln...until it emerges, supposedly dry, after a specified period of continuous drying. In the progressive kiln, temperature and humidity vary longitudinally.,...

...the kiln, and truckloads of dried stock are removed at the same time from the other end of the line. The stock thus moves progressively through the kiln...emerges, supposedly dry, after a specified time of exposure to the various conditions along the length of the kiln. The temperature and relative humidity...

...toward the l0 l1 unloading end, and a truckload of lumber is loaded into the kiln at the loading end. The stock thus moves progressively through the kiln...until it emerges, supposedly dry, after a specified period of continuous drying. In the progressive kiln, temperature and humidity vary longitudinally....