526K views · 7.7K reactions | मोबाइल का आविष्कार कब और कैसे हुआ था 樂। History And Invention Of Telephone 樂 #Phone #Mobile #internet #mobiletower #Firstphone #History #Telephone | रोचक जानकारी | Facebook

In 1930, the 11,000-ton Indiana Bell Telephone Company Building in Indianapolis was rotated 90 degrees and moved 52 feet south without disrupting daily operations or the 600 employees inside. This historic engineering feat was achieved by maintaining all utility connections with flexible piping and moving the structure at a painstaking pace of 15 inches per hour. | History In Pictures