![]() Navy’s exhibit didn’t include an actual submarine. A new underwater battleship called the submarine made a big splash, although the U.S.Also featured in the DeForest exhibit was a wireless telephone, precursor of the now-ubiquitous cellular telephone. Louis Star via its observation tower and seven stations on the fairgrounds. Wireless telegraphy came into its own in an exhibit of the DeForest Wireless Telegraphy Company, which sent daily news of the fair to the St.One hundred years later, no house can have too many outlets. Inventor Thomas Edison himself was brought in to oversee the assembly of the electrical exhibits. Within the Palaces of Machinery, Transportation and Electricity, many electric-powered machines and appliances were on display. All the major buildings on the fairgrounds were lit inside and out by electric lights, and the fair’s thoroughfares were illuminated by electric lights. The automatic gatekeeper at each fair entrance was the first to admit one person after receiving the proper coin, and then automatically lock again until the next coin was inserted. ![]() The electric dumbwaiter was a welcome update of the old hand-operated house elevator used by housewives and kitchen maids. Household and hotel products such as the tabletop stove, coffeemaker, automatic potato masher, bread machine and dishwasher.The telephone answering machine, then called the Poulson telegraphone.Even after 1904, it took decades before this handy device earned its place as an indispensable office machine. This invention had received little notice at the 1893 World’s Columbian Exposition in Chicago. The telautograph, an early version of the fax machine, invented by Elisha Gray of Chicago.The electric typewriter, viewed by many secretaries past and present as the greatest invention of all time.Fairgoers paid to watch nurses care for the babies, and the admission charge helped fund the project. Throughout the fair, premature infants from local orphanages and poor families lived in a row of 14 metal-framed glass incubators. Thomas and William Champion, to an exhibit on the Fair’s Pike. ![]() Bayliss brought actual infant incubators, invented in 1888 by Drs.
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