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Coorperations
Max-Planck-Institut für Gravitationsphysik, Leibniz Universität Hannover, Max-Planck-Institut für Quantenoptik,
University of Glasgow, Cardiff University, University of Birmingham, Universitat de les Illes Balears
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June 1999

Test Run of the Main Suspension

The hexagonal top plate lies on the active/passive seismic isolation stacks; above the top plate the rotational stage.
Guidance of the rotational stage.
The hexagonal top plate lies on the
active/passive seismic isolation stacks;
above the top plate the rotational stage.		 
Guidance of the rotational stage.





The complete triple pendulum suspension with a mirror dummy.

The complete triple pendulum suspension with a mirror dummy.
The complete triple pendulum
suspension with a mirror dummy.
do.




The triple pendulum: cantilever springs, upper mass, intermediate mass and test mass dummy.

Details of the upper mass: suspension wires and four small cantilever springs for the intermediate mass.
The triple pendulum: cantilever springs,
upper mass, intermediate mass and test
mass dummy.
Details of the upper mass: suspension
wires and four small cantilever springs
for the intermediate mass.

Meanwhile at the Site

Kerstin and Stefan are controlling the laser system (left hand side).
The central cluster of vacuum tanks. 
Kasem and Walter are installing a new turbopump.
Kerstin and Stefan are controlling
the laser system (left hand side).		 The central cluster
of vacuum tanks.		 Kasem and Walter are
installing a new turbopump.