Complex sentence: Between 1906 and 1912, Wiley's staff expanded from 110 to 146 and in 1910 the Bureau moved into its own building and used the healing symbol of Aesculapius' staff, or Ophiuchus.
Split into simpler sentences: Between 1906 and 1912, Wiley's staff expanded from 110 to 146. The Bureau moved into its own building and used the healing symbol of Aesculapius' staff, or Ophiuchus.