Check the listing for details. Rare TS-143/CPM-1, synchroscope designed for beacon use - RAD LAB MIT - Military. Condition: Used. Listed at 1199.99 USD. This is a very unique item. During WW2 MIT had a radiation laboratory to help develop radar. Most of the scientists who worked at building 20 at MIT went on to get the Nobel Prize for their work. Own a piece of history!