Technology & Communications
Technological Advancements at the White House: 1866: The White House installed its first telegraph office. 1880: The White House staff started using typewriters. 1891: Electricity was installed in the White House. 1922: Electric vacuum cleaners were used for the first time on White House carpets. 1926: The White House acquired its first electric refrigerator. 1933: Technicians installed air conditioning in the White House's private quarters. 1952: President