Light tables were taken from the walls and set up on trestles and laden with gear.
There are no more uses of "trestle" in the book.
Show samples from other sources
Mother was so nervous, she bathed— into the trestle table while curtsying.
Gail Carson Levine -- Ella Enchanted
On the way back home, they were on board when the P & W had its famous crash, when the motorman was drunk and took the high trestle over the Schuylkill River at sixty miles an hour, and the whole kaboodle took a swan dive into the water.