A quite stunning take on the Curtis Jere 1970s Boom or Crane lamp. This version designed by a physicist is beefier and larger. The screw in back is the counterweight which adjusts the height depending on how high you want the lamp heads to sit. ceiling height 12 feet in the pictures, so currently the lamp is approx 9 feet high. The older Jere version had a much smaller counter weight and only three bottom wire supports. New with some handling marks and some black paint loss where the counterweight screws in. Please note measurements for height are variable. The boom itself is approx 106 inches in length.