used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1 used bridgeport variable speed vertical mill w/ wells base SERIES 1