Reports until 12:21, Tuesday 21 May 2013
LHO VE
john.worden@LIGO.ORG - posted 12:21, Tuesday 21 May 2013 (6441)
LHO Beam Tube Photos

Robert Schofield is performing vibration measurements on the X1 beam tube at the mid point (1000m).

To facilitate these measurements we asked our contractor to remove ~60 meters of insulation exposing two complete beam tube sections between two bellows.

Images attached to this report