Object
Transporter Test Chair (Holodeck Sitting Room)
Barclay centers this chair amid three pattern enhancers in the Holodeck Sitting Room, positioning it as the safe test object before risking the Countess. The team locks onto it from the Transporter Room, where Data and the Chief monitor. It dematerializes cleanly but never rematerializes, leaving empty pads and erased logs that alert Data to hidden interference.
5 appearances
Purpose
Test object to confirm pattern enhancers lock and transport inanimate matter from Holodeck before attempting sentient beings
Significance
First failed transport exposes Holodeck system's erasure of evidence, confirming Moriarty's control and escalating crew suspicions of simulated sabotage
Appearances in the Narrative
When this object appears and how it's used