Complex sentence: The original Broadway store was designed by architects De Lemos & Cordes, was built in 1901--02 by the Fuller Company and has a Palladian facade, but has been updated in many details.
Split into simpler sentences: The original Broadway store, designed by architects De Lemos & Cordes was built in 1901--02 by the Fuller Company. It has a Palladian facade, but has been updated in many details.