The Indiana Bell Telephone Company building, also known as the "Rotary Building", is located in Indianapolis, Indiana, USA. It was designed by architects Vonnegut, Bohn & Mueller and completed in 1930. The building was originally 14 stories tall, but the company soon realized that they needed more space to accommodate their expanding operations.

Adding more floors to the existing building was not an option, as the foundation was not strong enough to support the weight. The company came up with the innovative idea of rotating the entire building 90 degrees, which would allow them to build an extension and add more floors to the building.

To accomplish this feat, the company hired engineer John A. Roebling's Sons Company, the firm that had designed the Brooklyn Bridge. The building was raised on hydraulic jacks and slowly rotated over the course of several months, while the company's 600 employees continued to work inside.

The rotation was completed successfully, and the building now faced a different street. The company then built an extension and added six more floors to the building, bringing it to its current 20-story height. The entire project cost around $1 million, which was a considerable sum of money at the time.

The Indiana Bell Telephone Company building is now a historic landmark and an iconic part of the Indianapolis skyline. It is still in use today, housing a variety of businesses and offices.

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