GR translation: a gallery hung to lace dandies

[Mike Jing]

V230.39-231.9, P233.31-40   Lights, all but a sprinkling, are out at
“The White Visitation.” Thes ky tonight is deep blue, blue as a Navy
greatcoat, and the clouds in it are amazingly white. The wind is keen
and cold. Old Brigadier Pudding, trembling, slips from his quarters
down the back stairs, by a route only he knows, through the vacant
orangery in the starlight, along a gallery hung to lace dandies,
horses, ladies with hard-boiled eggs for eyes, out a small entresol
(point of maximum danger . . .) and into a lumber-room, whose stacks
of junk and random blacknesses, even this far from his childhood, are
good for a chill, out again and down a set of metal steps, singing, he
hopes quietly, for courage:

What does "hung to" mean here?
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Pynchon-l / http://www.waste.org/mail/?list=pynchon-l