The next great change in the steam engine—the next change that will promote the use of steam and add to its immense utility, will come by improvements in the boiler.

Norfolk & Western Class J No. 611 steam locomotive is back into service for a limited series of passenger excursions this fall.

The illustration represents an improved track-laying device, which has been patented by Edward Ingleton. of the Ingleton Steam Plow Company, of Pottstown, Pa., for use on tractiou engines.

Of the thousands of steam engines that were manufactured, few were designed to provide the raw power these behemoths of engineering used to push and pull.

Advance Thresher Co. founded in 1881 in Battle Creek, Michigan, also produced steam traction engines. M. Rumely Co. bought Advance Thresher Company in 1911 during an industry consolidation.