Bidspirit auction | Two CDI Chicago indicator sets

Two CDI Chicago indicator sets with dials plus extra - Two CDI Chicago indicator sets with dials plus extra, includes a black case with a B-50 indicator, a blue case with a B-100 indicator, both sets look complete and lightly used if at all, also including a Brown & Sharpe 599-7907 sliding swivel for indicator holders .375 and .738 diameter holes, it is new in original box.