Complex sentence: Records of dismantling the museum are very hard to trace but it seemed as though there were no curators to fill the position and also the specimens were then donated to several medical practices to be used for teaching the next generation of doctors.
Split into simpler sentences: Records of dismantling the museum are very hard to trace but it seemed as though there were no curators to fill the position. The specimens were then donated to several medical practices to be used for teaching the next generation of doctors.