chairs propelled by electricity will be ard machine; and 65-ton, 75-ton, and 85-ton are coming into use to an increasing extent, while even the 95-ton used at the World’s Fair at St. Louis next year. A concession was recently granted by the Exposition to giants are proving that they are not only… … AUTO CHAIRS FOR THE ST. LOUIS FAIR, as will be appreciated by a comparison the points of interest. The operator sits of the 48-inch diameter boiler of the 35- on a detachable seat at the rear of the ton shovel, with the 66-inch diameter chair, from which point he controls the machine, the…
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